Class Not Found error in launching Java Applet - java

I have a web application which launches a Java Applet which references a large number of Jars. When I launch the applet, Java console is launched I can see these jars getting downloaded. In one of the Jars I get exception and Applet load is stopped.
Machine: Windows 7 - 64 Bit
Java Plug-in 10.80.2.15
Using JRE version 1.7.0_80-b15 Java HotSpot(TM) Client VM - Using this JRE as Applet is certified on this JRE version, I even tried with latest JRE.
Exception trace:
basic: Plugin2ClassLoader.addURL parent called for
http://localhost:9500/***.jar?token=1497907732260dxwJEJ2dVgcJ7epg1wP11qEgom0
basic: Plugin2ClassLoader.addURL parent called for http://localhost:9500/****/xercesImpl.jar?token=1497907732270bV1GSJKvAHvnsyCetLkp1JE8PDW
basic: Plugin2ClassLoader.addURL parent called for http://localhost:9500/****/xml-apis.jar?token=1497907732277kAb6Fc3EBqsLhelOISTV73FyIvX
basic: Plugin2ClassLoader.addURL parent called for http://localhost:9500/****/xalan.jar?token=1497907732283fAmmBmYycSZC3KvAI89phQ4yHq0
basic: Plugin2ClassLoader.addURL parent called for http://localhost:9500/****/serializer.jar?token=1497907732289dYYFRhl8qxfEXFwbaUnW3yObqwB
cache: Adding MemoryCache entry: http://localhost:9500/****/****.jar?token=1497907732362bhwRmCAl37YmOQZZJOgtnxNK8GY
cache: registerReference: com.sun.deploy.cache.MemoryCache$CachedResourceReference#f544430e: 1
security: Validate the certificate chain using CertPath API
security: Grant socket perm for http://localhost:9500/****/****.jar?token=1497907732362bhwRmCAl37YmOQZZJOgtnxNK8GY :
java.security.Permissions#15e8b6d (
("java.net.SocketPermission" "localhost" "connect,accept,resolve")
)
security: Validate the certificate chain using CertPath API
basic: Plugin2ClassLoader.getPermissions CeilingPolicy allPerms
java.lang.NoClassDefFoundError: com/****/UResourceBundle
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Unknown Source)
at java.lang.Class.getDeclaredMethod(Unknown Source)
at java.awt.Component.isCoalesceEventsOverriden(Unknown Source)
at java.awt.Component.isCoalesceEventsOverriden(Unknown Source)
at java.awt.Component.access$500(Unknown Source)
at java.awt.Component$3.run(Unknown Source)
at java.awt.Component$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.Component.checkCoalescing(Unknown Source)
at java.awt.Component.<init>(Unknown Source)
at java.awt.Container.<init>(Unknown Source)
at java.awt.Window.<init>(Unknown Source)
at java.awt.Frame.<init>(Unknown Source)
at java.awt.Frame.<init>(Unknown Source)
at javax.swing.JFrame.<init>(Unknown Source)
at com.sun.deploy.uitoolkit.impl.awt.AWTAppletAdapter.init(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: com.***.UResourceBundle
at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 24 more
security: Reset deny session certificate store
basic: Removed progress listener:
sun.plugin.util.ProgressMonitorAdapter#5bdbdc
security: Reset deny session certificate store
I have looked in Java Cache and opened downloaded jar and I can see the class is there.
Earlier the exception was on some other class and then I removed all versions of Java and just reinstalled JDK 7 Update 80 32 bit and class which errors out changed.

Related

applet not running even after adding it's URL to exception list

I am trying to run a Java applet. Chrome not support it so I am trying it with IE. I have added the URL to exception list, but it is still showing error that "Your security settings have blocked a local application from running."
Details:
Java Plug-in 11.91.2.15
Using JRE version 1.8.0_91-b15 Java HotSpot(TM) Client VM
User home directory = C:\Users\Hp
----------------------------------------------------
c: clear console window
f: finalize objects on finalization queue
g: garbage collect
h: display this help message
l: dump classloader list
m: print memory usage
o: trigger logging
q: hide console
r: reload policy configuration
s: dump system and deployment properties
t: dump thread list
v: dump thread stack
x: clear classloader cache
0-5: set trace level to <n>
----------------------------------------------------
basic: Added progress listener: sun.plugin.util.ProgressMonitorAdapter#1631f2d
security: Expected Main URL: file:/F:/cs%20infotech/july%2014/JavaLibrary1/build/classes/NewApplet.class
network: Cache entry not found [url: file:/F:/cs%20infotech/july%2014/JavaLibrary1/build/classes/NewApplet.class, version: null]
network: Cache entry not found [url: file:/F:/cs%20infotech/july%2014/JavaLibrary1/build/classes/, version: null]
network: Created version ID: 1.8.0.91
network: Created version ID: 1.8.0.91
basic: Your security settings have blocked a local application from running
basic: Dialog type is not candidate for embedding
security: JUT Record:
plugin2 denied [by security settings]
file://F:\cs infotech\july 14\JavaLibrary1\build\NewApplet.html: launchjnlp= code=NewApplet.class codebase=file:///F:/cs%20infotech/july%2014/JavaLibrary1/build/classes width=350 height=200 app_model=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
basic: exception: Your security settings have blocked a local application from running.
com.sun.deploy.security.BlockedException: Your security settings have blocked a local application from running
at com.sun.deploy.security.BlockedDialog.show(Unknown Source)
at com.sun.deploy.security.SandboxSecurity.checkRunLocal(Unknown Source)
at com.sun.deploy.security.SandboxSecurity.checkUnsignedSandboxSecurity(Unknown Source)
at com.sun.deploy.security.SandboxSecurity.isPermissionGranted(Unknown Source)
at com.sun.deploy.security.SandboxSecurity.isPermissionGranted(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.isTrustedByTrustDecider(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.getPermissions(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.getPermissions(Unknown Source)
at java.security.SecureClassLoader.getProtectionDomain(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)
at sun.plugin2.applet.Plugin2Manager.initAppletAdapter(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Ignored exception: com.sun.deploy.security.BlockedException: Your security settings have blocked a local application from running
basic: Dialog type is not candidate for embedding
security: Reset deny session certificate store
basic: Removed progress listener: sun.plugin.util.ProgressMonitorAdapter#1631f2d
basic: PluginMain.unregisterApplet: 1 from mananger sun.plugin2.applet.Applet2Manager#12ffba8
basic: Added progress listener: sun.plugin.util.ProgressMonitorAdapter#149e612
security: Expected Main URL: file:/F:/cs%20infotech/july%2014/JavaLibrary1/build/classes/NewApplet.class
network: Cache entry not found [url: file:/F:/cs%20infotech/july%2014/JavaLibrary1/build/classes/NewApplet.class, version: null]
network: Cache entry not found [url: file:/F:/cs%20infotech/july%2014/JavaLibrary1/build/classes/, version: null]
network: Created version ID: 1.8.0.91
network: Created version ID: 1.8.0.91
basic: Your security settings have blocked a local application from running
security: JUT Record:
plugin2 denied [by security settings]
file://F:\cs infotech\july 14\JavaLibrary1\build\NewApplet.html: launchjnlp= code=NewApplet.class codebase=file:///F:/cs%20infotech/july%2014/JavaLibrary1/build/classes width=350 height=200 app_model=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
basic: exception: Your security settings have blocked a local application from running.
com.sun.deploy.security.BlockedException: Your security settings have blocked a local application from running
at com.sun.deploy.security.BlockedDialog.show(Unknown Source)
at com.sun.deploy.security.SandboxSecurity.checkRunLocal(Unknown Source)
at com.sun.deploy.security.SandboxSecurity.checkUnsignedSandboxSecurity(Unknown Source)
at com.sun.deploy.security.SandboxSecurity.isPermissionGranted(Unknown Source)
at com.sun.deploy.security.SandboxSecurity.isPermissionGranted(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.isTrustedByTrustDecider(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.getPermissions(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.getPermissions(Unknown Source)
at java.security.SecureClassLoader.getProtectionDomain(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)
at sun.plugin2.applet.Plugin2Manager.initAppletAdapter(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Ignored exception: com.sun.deploy.security.BlockedException: Your security settings have blocked a local application from running
basic: Dialog type is not candidate for embedding
security: Reset deny session certificate store
basic: Removed progress listener: sun.plugin.util.ProgressMonitorAdapter#149e612
basic: Dialog type is not candidate for embedding
basic: Dialog type is not candidate for embedding

Java applet won't load in IE after Java 8 upgrade

I have a Java applet that I use to read SD card data from a user's PC. The applet lives on a web site that you log in to. To log-in to the web site you must use a browser certificate. Once you're logged in, you go to the SD card download page, the applet initializes, reads the card data, and sends it to some JavaScript on the page.
The issue that I have now is that the applet does not load since installing Java 8 on my browser. Specifically it does not work in any version of IE (tested 8, 9, 10, and 11). It runs fine in Firefox. I have not tried Chrome.
I haven't found anyone else who has a similar issue. It could be because it is relatively new. Does anyone know why this is happening and have any idea how to fix it?
There is a stacktrace in the Java console in IE8 that looks relevant. Here are some interesting pieces:
javax.net.ssl.SSLHandshakeException: Error signing certificate verify
...
Caused by: java.security.InvalidKeyException: No installed provider supports this key: com.sun.deploy.security.MSCryptoRSAPrivateKey
...
com.sun.deploy.net.FailedDownloadException: Unable to load resource: https://xdc-fqq02.example.com/cardtocloud/cardtocloud.jnlp
Edit: Here's an additional piece of info. The applet works correctly on a different server with with OpenSSL 1.0.1i. The applet does not work with the original server which has OpenSSL 1.0.0m.
Here is the full log. The stacktrace does not appear in the log for Firefox.
Java Plug-in 11.25.2.18
Using JRE version 1.8.0_25-b18 Java HotSpot(TM) Client VM
User home directory = C:\Users\codyj
----------------------------------------------------
c: clear console window
f: finalize objects on finalization queue
g: garbage collect
h: display this help message
l: dump classloader list
m: print memory usage
o: trigger logging
q: hide console
r: reload policy configuration
s: dump system and deployment properties
t: dump thread list
v: dump thread stack
x: clear classloader cache
0-5: set trace level to <n>
----------------------------------------------------
network: Created version ID: 1.8.0.25
network: Created version ID: 1.8
network: Created version ID: 8.0.25
network: Connecting https://xdc-fqq02.example.com/cardtocloud/cardtocloud.jnlp with proxy=DIRECT
network: Connecting http://xdc-fqq02.example.com:443/ with proxy=DIRECT
security: Loading SSL Root CA certificates from C:\Program Files (x86)\Java\jre1.8.0_25\lib\security\cacerts
security: Loaded SSL Root CA certificates from C:\Program Files (x86)\Java\jre1.8.0_25\lib\security\cacerts
security: Obtain certificate collection in SSL Root CA certificate store
security: Obtain certificate collection in SSL Root CA certificate store
security: Loading certificates from Deployment session certificate store
security: Loaded certificates from Deployment session certificate store
security: Loading certificates from Internet Explorer ROOT certificate store
security: Loaded certificates from Internet Explorer ROOT certificate store
security: Loading certificates from Internet Explorer DISALLOWED certificate store
security: Loaded certificates from Internet Explorer DISALLOWED certificate store
security: Loaded blacklisted.certs file: C:\Users\codyj\AppData\LocalLow\Sun\Java\Deployment\security\blacklisted.certs
security: SHA-256Certificate finger print: F94D2C80A1172FC591F964D4DC0E8BAF493C92FE678B6B8B07D362607EBD33AB
security: Checking if certificate is in Internet Explorer DISALLOWED certificate store
security: SHA-256Certificate finger print: 0855414AF5F5FD7E264F8B002A39CCED67E5952E89B61B680CC847BAA34944DE
security: Checking if certificate is in Internet Explorer DISALLOWED certificate store
security: SHA-256Certificate finger print: 0AE1484292B20EE696D4593DBE46F91479F8DAD58FC057CFD52FA3FA8FB3CE4B
security: Checking if certificate is in Internet Explorer DISALLOWED certificate store
security: Checking if SSL certificate is in Deployment permanent certificate store
security: Loading certificates from Internet Explorer ROOT certificate store
security: Loaded certificates from Internet Explorer ROOT certificate store
security: Saving certificates in Deployment session certificate store
security: Saved certificates in Deployment session certificate store
javax.net.ssl.SSLHandshakeException: Error signing certificate verify
at sun.security.ssl.Alerts.getSSLException(Unknown Source)
at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
at sun.security.ssl.ClientHandshaker.serverHelloDone(Unknown Source)
at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
at sun.security.ssl.Handshaker.processLoop(Unknown Source)
at sun.security.ssl.Handshaker.process_record(Unknown Source)
at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.access$200(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection$9.run(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection$9.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessController.doPrivileged(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source)
at com.sun.deploy.net.HttpUtils.followRedirects(Unknown Source)
at com.sun.deploy.net.BasicHttpRequest.doRequest(Unknown Source)
at com.sun.deploy.net.BasicHttpRequest.doGetRequestEX(Unknown Source)
at com.sun.deploy.net.DownloadEngine.actionDownload(Unknown Source)
at com.sun.deploy.net.DownloadEngine.downloadResource(Unknown Source)
at com.sun.deploy.cache.ResourceProviderImpl.getResource(Unknown Source)
at com.sun.deploy.cache.ResourceProviderImpl.getResource(Unknown Source)
at com.sun.deploy.model.ResourceProvider.getResource(Unknown Source)
at com.sun.javaws.jnl.LaunchDescFactory._buildDescriptor(Unknown Source)
at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
at sun.plugin2.applet.JNLP2Manager.initialize(Unknown Source)
at sun.plugin2.main.client.PluginMain.initManager(Unknown Source)
at sun.plugin2.main.client.PluginMain.access$200(Unknown Source)
at sun.plugin2.main.client.PluginMain$2.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.security.InvalidKeyException: No installed provider supports this key: com.sun.deploy.security.MSCryptoRSAPrivateKey
at java.security.Signature$Delegate.chooseProvider(Unknown Source)
at java.security.Signature$Delegate.engineInitSign(Unknown Source)
at java.security.Signature.initSign(Unknown Source)
at sun.security.ssl.HandshakeMessage$CertificateVerify.<init>(Unknown Source)
... 34 more
network: Connecting https://xdc-fqq02.example.com/cardtocloud/cardtocloud.jnlp with proxy=DIRECT
network: Connecting http://xdc-fqq02.example.com:443/ with proxy=DIRECT
security: Obtain certificate collection in SSL Root CA certificate store
security: Obtain certificate collection in SSL Root CA certificate store
security: Loading certificates from Deployment session certificate store
security: Loaded certificates from Deployment session certificate store
security: SHA-256Certificate finger print: F94D2C80A1172FC591F964D4DC0E8BAF493C92FE678B6B8B07D362607EBD33AB
security: Checking if certificate is in Internet Explorer DISALLOWED certificate store
security: SHA-256Certificate finger print: 0855414AF5F5FD7E264F8B002A39CCED67E5952E89B61B680CC847BAA34944DE
security: Checking if certificate is in Internet Explorer DISALLOWED certificate store
security: SHA-256Certificate finger print: 0AE1484292B20EE696D4593DBE46F91479F8DAD58FC057CFD52FA3FA8FB3CE4B
security: Checking if certificate is in Internet Explorer DISALLOWED certificate store
javax.net.ssl.SSLHandshakeException: Error signing certificate verify
at sun.security.ssl.Alerts.getSSLException(Unknown Source)
at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
at sun.security.ssl.ClientHandshaker.serverHelloDone(Unknown Source)
at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
at sun.security.ssl.Handshaker.processLoop(Unknown Source)
at sun.security.ssl.Handshaker.process_record(Unknown Source)
at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.access$200(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection$9.run(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection$9.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessController.doPrivileged(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source)
at com.sun.deploy.net.HttpUtils.followRedirects(Unknown Source)
at com.sun.deploy.net.BasicHttpRequest.doRequest(Unknown Source)
at com.sun.deploy.net.BasicHttpRequest.doRequest(Unknown Source)
at com.sun.deploy.net.BasicHttpRequest.doGetRequest(Unknown Source)
at com.sun.deploy.net.DownloadEngine.actionDownload(Unknown Source)
at com.sun.deploy.net.DownloadEngine.downloadResource(Unknown Source)
at com.sun.deploy.cache.ResourceProviderImpl.getResource(Unknown Source)
at com.sun.deploy.cache.ResourceProviderImpl.getResource(Unknown Source)
at com.sun.deploy.model.ResourceProvider.getResource(Unknown Source)
at com.sun.javaws.jnl.LaunchDescFactory._buildDescriptor(Unknown Source)
at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
at sun.plugin2.applet.JNLP2Manager.initialize(Unknown Source)
at sun.plugin2.main.client.PluginMain.initManager(Unknown Source)
at sun.plugin2.main.client.PluginMain.access$200(Unknown Source)
at sun.plugin2.main.client.PluginMain$2.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.security.InvalidKeyException: No installed provider supports this key: com.sun.deploy.security.MSCryptoRSAPrivateKey
at java.security.Signature$Delegate.chooseProvider(Unknown Source)
at java.security.Signature$Delegate.engineInitSign(Unknown Source)
at java.security.Signature.initSign(Unknown Source)
at sun.security.ssl.HandshakeMessage$CertificateVerify.<init>(Unknown Source)
... 35 more
com.sun.deploy.net.FailedDownloadException: Unable to load resource: https://xdc-fqq02.example.com/cardtocloud/cardtocloud.jnlp
at com.sun.deploy.net.DownloadEngine.actionDownload(Unknown Source)
at com.sun.deploy.net.DownloadEngine.downloadResource(Unknown Source)
at com.sun.deploy.cache.ResourceProviderImpl.getResource(Unknown Source)
at com.sun.deploy.cache.ResourceProviderImpl.getResource(Unknown Source)
at com.sun.deploy.model.ResourceProvider.getResource(Unknown Source)
at com.sun.javaws.jnl.LaunchDescFactory._buildDescriptor(Unknown Source)
at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
at sun.plugin2.applet.JNLP2Manager.initialize(Unknown Source)
at sun.plugin2.main.client.PluginMain.initManager(Unknown Source)
at sun.plugin2.main.client.PluginMain.access$200(Unknown Source)
at sun.plugin2.main.client.PluginMain$2.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by:
javax.net.ssl.SSLHandshakeException: Error signing certificate verify
at sun.security.ssl.Alerts.getSSLException(Unknown Source)
at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
at sun.security.ssl.ClientHandshaker.serverHelloDone(Unknown Source)
at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
at sun.security.ssl.Handshaker.processLoop(Unknown Source)
at sun.security.ssl.Handshaker.process_record(Unknown Source)
at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.access$200(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection$9.run(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection$9.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessController.doPrivileged(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source)
at com.sun.deploy.net.HttpUtils.followRedirects(Unknown Source)
at com.sun.deploy.net.BasicHttpRequest.doRequest(Unknown Source)
at com.sun.deploy.net.BasicHttpRequest.doRequest(Unknown Source)
at com.sun.deploy.net.BasicHttpRequest.doGetRequest(Unknown Source)
at com.sun.deploy.net.DownloadEngine.actionDownload(Unknown Source)
at com.sun.deploy.net.DownloadEngine.downloadResource(Unknown Source)
at com.sun.deploy.cache.ResourceProviderImpl.getResource(Unknown Source)
at com.sun.deploy.cache.ResourceProviderImpl.getResource(Unknown Source)
at com.sun.deploy.model.ResourceProvider.getResource(Unknown Source)
at com.sun.javaws.jnl.LaunchDescFactory._buildDescriptor(Unknown Source)
at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
at sun.plugin2.applet.JNLP2Manager.initialize(Unknown Source)
at sun.plugin2.main.client.PluginMain.initManager(Unknown Source)
at sun.plugin2.main.client.PluginMain.access$200(Unknown Source)
at sun.plugin2.main.client.PluginMain$2.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.security.InvalidKeyException: No installed provider supports this key: com.sun.deploy.security.MSCryptoRSAPrivateKey
at java.security.Signature$Delegate.chooseProvider(Unknown Source)
at java.security.Signature$Delegate.engineInitSign(Unknown Source)
at java.security.Signature.initSign(Unknown Source)
at sun.security.ssl.HandshakeMessage$CertificateVerify.<init>(Unknown Source)
... 35 more
network: Connecting https://xdc-fqq02.example.com/cardtocloud/cardtocloud.jnlp with proxy=DIRECT
network: Connecting http://xdc-fqq02.example.com:443/ with proxy=DIRECT
security: Obtain certificate collection in SSL Root CA certificate store
security: Obtain certificate collection in SSL Root CA certificate store
security: Loading certificates from Deployment session certificate store
security: Loaded certificates from Deployment session certificate store
security: SHA-256Certificate finger print: F94D2C80A1172FC591F964D4DC0E8BAF493C92FE678B6B8B07D362607EBD33AB
security: Checking if certificate is in Internet Explorer DISALLOWED certificate store
security: SHA-256Certificate finger print: 0855414AF5F5FD7E264F8B002A39CCED67E5952E89B61B680CC847BAA34944DE
security: Checking if certificate is in Internet Explorer DISALLOWED certificate store
security: SHA-256Certificate finger print: 0AE1484292B20EE696D4593DBE46F91479F8DAD58FC057CFD52FA3FA8FB3CE4B
security: Checking if certificate is in Internet Explorer DISALLOWED certificate store
basic: JNLP2Manager.initialize(): JNLP not available: /cardtocloud/cardtocloud.jnlp
basic: exception: null.
java.lang.NullPointerException
at sun.plugin2.applet.JNLP2Manager.getAppInfo(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Ignored exception: java.lang.NullPointerException
basic: Dialog type is not candidate for embedding
security: Reset deny session certificate store
Have you tried turning off "TLS 1.2" in your Java Console?
Java8 seems to use TLS 1.2 as default, so in case your server doesn't support it, you might get the same error as you mentioned.
https://blogs.oracle.com/java-platform-group/entry/java_8_will_use_tls
Please add the below command in Java Control panel.
go to java--view--in run time parameter paste this command.
-Djava.net.preferIPv4Stack=true.
It's working for me without any issues.

Adding self signing certificate to Java certificate manager as "Signer CA" breaks my applet (Win7 64bit)

I am creating a Java applet which connects to SQLite database on the local file system. I've created a certificate for signing using keytool. I've signed every Jar file that I used and I can start the applet and it works great in Google chrome and IE.
I do get the standard Security warning dialog on which I have to click 'Ok' every time the page gets loaded but that's it. It works.
In an attempt to avoid this Security warning I've added the same certificate (via Java Control Panel) to the Signer CA certificate store. Now when browsing the page I do get the Security warning which allows me to check 'Do not ask me for the same publisher (or something like that)'. But the applet no longer works and I get the following list of exceptions in Java console
basic: Plugin2ClassLoader.getPermissions CeilingPolicy allPerms
security: SHA-256Certificate finger print: 7478E95FEAC103F0934BD2DDB669DE9A6105AD26ABA30C0C9F3A61107BFEBF4D
network: Cache entry not found [url: file:/C:/Work/Projects/OP/SPA_Notes/web/web/java/SPA_NotesApplet.jar, version: null]
basic: exception: java.lang.reflect.InvocationTargetException.
java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at sun.plugin2.applet.Plugin2ClassLoader.defineClassHelper(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.access$100(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader$2.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin2.applet.Plugin2ClassLoader.findClassHelper(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)
at sun.plugin2.applet.Plugin2Manager.initAppletAdapter(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
... 14 more
Caused by: java.lang.NullPointerException
at sun.plugin2.applet.Plugin2ClassLoader.loadAllowedCodebases(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.getPermissions(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.getPermissions(Unknown Source)
at java.security.SecureClassLoader.getProtectionDomain(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
... 18 more
basic: Removed progress listener: sun.plugin.util.ProgressMonitorAdapter#175db37
security: Reset deny session certificate store
I am not really at home with either Java or its security settings so any help would be appreciated.
Just to repeat again: If I do not add the certificate to the "Signer CA" certificate store everything works fine. So I do not think that the signing of the JAR files is the problem. I am guessing that, either my self-created certificate is not suitable to be used as signer CA certificate, or its because there is no trust chain to verified CA (but I do not know why would this matter at all).

Loading applet in browser throws Classnotfound exception

When i tried to run applet in my firefox browser, it was prompted to install java plugin. I have downloaded and installed the plugin Java 7 Update 17.
Later, i tried to load applet again, but im getting the error. I get this in all the browsers. My friends can load this applet though. Please help me resolve this. Thanks
Java Plug-in 10.17.2.02
Using JRE version 1.7.0_17-b02 Java HotSpot(TM) Client VM
User home directory = C:\Users\Administrator
c: clear console window
f: finalize objects on finalization queue
g: garbage collect
h: display this help message
l: dump classloader list
m: print memory usage
o: trigger logging
q: hide console
r: reload policy configuration
s: dump system and deployment properties
t: dump thread list
v: dump thread stack
x: clear classloader cache
0-5: set trace level to
cache: Initialize resource manager: com.sun.deploy.cache.ResourceProviderImpl#17825dd
security: property package.access value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.
security: property package.access new value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.,com.sun.javaws,com.sun.deploy,com.sun.jnlp
security: property package.definition value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.
security: property package.definition new value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.,com.sun.javaws,com.sun.deploy,com.sun.jnlp
security: property package.access value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.,com.sun.javaws,com.sun.deploy,com.sun.jnlp
security: property package.access new value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.,com.sun.javaws,com.sun.deploy,com.sun.jnlp,org.mozilla.jss
security: property package.definition value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.,com.sun.javaws,com.sun.deploy,com.sun.jnlp
security: property package.definition new value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.,com.sun.javaws,com.sun.deploy,com.sun.jnlp,org.mozilla.jss
security: property package.access value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.,com.sun.javaws,com.sun.deploy,com.sun.jnlp,org.mozilla.jss
security: property package.access new value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.,com.sun.javaws,com.sun.deploy,com.sun.jnlp,org.mozilla.jss,com.sun.browser,com.sun.glass,com.sun.javafx,com.sun.media.jfxmedia,com.sun.media.jfxmediaimpl,com.sun.openpisces,com.sun.prism,com.sun.scenario,com.sun.t2k,com.sun.webpane,com.sun.pisces,com.sun.webkit
security: property package.definition value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.,com.sun.javaws,com.sun.deploy,com.sun.jnlp,org.mozilla.jss
security: property package.definition new value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.,com.sun.javaws,com.sun.deploy,com.sun.jnlp,org.mozilla.jss,com.sun.browser,com.sun.glass,com.sun.javafx,com.sun.media.jfxmedia,com.sun.media.jfxmediaimpl,com.sun.openpisces,com.sun.prism,com.sun.scenario,com.sun.t2k,com.sun.webpane,com.sun.pisces,com.sun.webkit
basic: Added progress listener: sun.plugin.util.ProgressMonitorAdapter#15b3296
basic: Plugin2ClassLoader.addURL parent called for http://10.10.10.129:8080/Sistic/resources/lib/Printer-1.0-executable.jar
network: Cache entry not found [url: http://10.10.10.129:8080/Sistic/resources/lib/Printer-1.0-executable.jar, version: null]
network: Connecting http://10.10.10.129:8080/Sistic/resources/lib/Printer-1.0-executable.jar with proxy=DIRECT
network: Connecting http://10.10.10.129:8080/ with proxy=DIRECT
network: Connecting http://10.10.10.129:8080/Sistic/resources/lib/Printer-1.0-executable.jar with cookie "expandable=5c; subexpandable=18c"
java.io.FileNotFoundException: http://10.10.10.129:8080/Sistic/resources/lib/Printer-1.0-executable.jar
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at sun.plugin.PluginURLJarFileCallBack.downloadJAR(Unknown Source)
at sun.plugin.PluginURLJarFileCallBack.access$000(Unknown Source)
at sun.plugin.PluginURLJarFileCallBack$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin.PluginURLJarFileCallBack.retrieve(Unknown Source)
at sun.net.www.protocol.jar.URLJarFile.retrieve(Unknown Source)
at sun.net.www.protocol.jar.URLJarFile.getJarFile(Unknown Source)
at sun.net.www.protocol.jar.JarFileFactory.get(Unknown Source)
at sun.net.www.protocol.jar.JarURLConnection.connect(Unknown Source)
at sun.plugin.net.protocol.jar.CachedJarURLConnection.connect(Unknown Source)
at sun.plugin.net.protocol.jar.CachedJarURLConnection.getJarFileInternal(Unknown Source)
at sun.plugin.net.protocol.jar.CachedJarURLConnection.getJarFile(Unknown Source)
at com.sun.deploy.security.DeployURLClassPath$JarLoader.getJarFile(Unknown Source)
at com.sun.deploy.security.DeployURLClassPath$JarLoader.access$1000(Unknown Source)
at com.sun.deploy.security.DeployURLClassPath$JarLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.deploy.security.DeployURLClassPath$JarLoader.ensureOpen(Unknown Source)
at com.sun.deploy.security.DeployURLClassPath$JarLoader.<init>(Unknown Source)
at com.sun.deploy.security.DeployURLClassPath$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.deploy.security.DeployURLClassPath.getLoader(Unknown Source)
at com.sun.deploy.security.DeployURLClassPath.getLoader(Unknown Source)
at com.sun.deploy.security.DeployURLClassPath.getResource(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader$2.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin2.applet.Plugin2ClassLoader.findClassHelper(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)
at sun.plugin2.applet.Plugin2Manager.initAppletAdapter(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
network: Cache entry not found [url: http://10.10.10.129:8080/Sistic/resources/lib/Printer-1.0-executable.jar, version: null]
network: Connecting http://10.10.10.129:8080/Sistic/resources/lib/Printer-1.0-executable.jar with proxy=DIRECT
network: Connecting http://10.10.10.129:8080/Sistic/resources/lib/Printer-1.0-executable.jar with cookie "expandable=5c; subexpandable=18c"
It seems like your problem started here:
network: Cache entry not found [url: http://10.10.10.129:8080/Sistic/resources/lib/Printer-1.0-executable.jar, version: null]
Please make sure the fetched jar file is at the specified directory.

class not found exception and IO exception while run applet on web

This is my jsp file body tag.
<body>
<jsp:plugin type="applet" code="SApplet.class"
codebase="C:\Program Files\apache-tomcat-6.0.18\webapps\testweb\WEB-INF\classes"
width="400"
height="300" jreversion="1.6"></jsp:plugin>
</body>
I want to run my applet on web application, but i got following error that will fetch on one small window.I can't get any error on console.
Java Plug-in 1.6.0_20
Using JRE version 1.6.0_20-b02 Java HotSpot(TM) Client VM
User home directory = C:\Documents and Settings\Sandy
----------------------------------------------------
c: clear console window
f: finalize objects on finalization queue
g: garbage collect
h: display this help message
l: dump classloader list
m: print memory usage
o: trigger logging
q: hide console
r: reload policy configuration
s: dump system and deployment properties
t: dump thread list
v: dump thread stack
x: clear classloader cache
0-5: set trace level to <n>
----------------------------------------------------
load: class SApplet.class not found.
java.lang.ClassNotFoundException: SApplet.class
at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)
at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: open HTTP connection failed:http://localhost:8080/testweb/SApplet/class.class
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
... 7 more
Exception: java.lang.ClassNotFoundException: SApplet.class
load: class SApplet.class not found.
java.lang.ClassNotFoundException: SApplet.class
at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)
at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: open HTTP connection failed:http://localhost:8080/testweb/SApplet/class.class
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
... 7 more
Exception: java.lang.ClassNotFoundException: SApplet.class
Your code base is written wrong. It should be a relative web path.
In your case it should be something like testweb/applet-classes. But put all applet classes there, not under WEB-INF. WEB-INF is a place where you should store classes that run on server side. This folder may be not accessible from web. The applet classes are downloaded by JVM that is running into browser, so WEB-INF may be not visible for it.
Better way is even pack your applet classes into jar file and put it even under root of your application. In this case your code base will look like codebase='myapplet.jar'

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