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Communication between Java apps on 2 different servers(app1 in jboss and app2-tomcat) with https SSL configuration

Earlier when I kept both apps(app1 & app2) in the same (Jboss)server, I can call[communicate] the api's available in app1 from app2. [Jboss ssl configured with certificate]
Now My issue is, I moved only my app2 into tomcat server[app2],without changing any code and tried to connect api's of app1. It is throwing the clientProtocol Exception.
I came to know the issue with ssl certificate, because app1 is ssl configured.
Is there any place I have to configure my tomcat server to trust the app1 with the SSL jboss certifcate or in java program I have to add the trustmanager SSL socket code.
Please let me know the possible solution I have been stucked .

You need to configure the tomcat environment to know that exists a certificate to use.
This is done with -Djavax.net.ssl.trustStore=mykeystore or setting it in JAVA_OPTS.
For Linux this is done as follow:
export JAVA_OPTS=-Djavax.net.ssl.trustStore=mykeystore
before calling ./startup.sh

java web service client trying to access web service through SSL - TrustManagerFactoryImpl is not initialized

I'm a web service client and I'm connecting to the web service through SSL.
It's a 2-way SSL and the producer has shared the certificate. I did run the InstallCert.java, got the alias and created a Keystore.
I'm using weblogic application server and I have placed my Keystore in it.
Now when I run it, I'm getting an error,
Caused by: java.lang.RuntimeException: java.lang.IllegalStateException:
TrustManagerFactoryImpl is not initialized
Before this I could see that it is trying to load the identity certificate and the private key. But as per standards the producer isn't willing to share the private key with us.
Any suggestion on this would be of great help to me. Thanks.

I resolved it.
I added my .cer file to cacerts which is referred by the weblogic server (Using keytool import). In the keystores section, I kept the default option (Demo identity and Demo trust). In the SSL section, I went to advanced, click on the checkbox ("Use JSSE SSL").
It worked.

I had this issue connecting to a MySQL database that requires SSL to connect.
It turns out, for me, the driver version needed to be updated in order to properly-handle the trust store configuration in the JDBC URL.

How to create Tomcat keystore file using JAVA

How to create Tomcat keystore file using JAVA
I am creating a http connection to SSL enabled tomcat server but it generates error SSL Handshake failed
So I want to create a keystore at runtime as i will be contacting multiple SSL enabled servers (Don't know this approach will be successfull or not)
Please suggest a way to how to create a tomcat keystore file using java program or any other way to bypass SSL handshake

Where are you getting sslhandshake error exactly? While client wants to connect to tomcat server or while tomcat server is trying to connect to other servers for some purpose? And can you paste the exception trace?
In either case, it does not make any sense to create keystore programatically in a server but one can inspect java's keytool source code to play on keystores.
http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/7-b147/sun/security/tools/KeyTool.java/

Look at the How-To guide SSL configuration on Tomcat's official site
http://tomcat.apache.org/tomcat-4.1-doc/ssl-howto.html

Is it possible to merge java\jre\security\lib\cacerts file

In my project,I have integrated Spring Security with CAS server authentication. Now my project is an http application where as the CAS server is an Https application. I was getting following exception after Spring Security and CAS integration: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
In order to solve this error ,I replaced CAS server usr\java\jre\lib\security\cacerts file with my local usr\java\jre\lib\security\cacerts file. After this step the error was gone.
Now I want to deploy my application to some other server. In this new server some other applications are also deployed which may be using different CAS authentication. I cannot directly replace my CAS server cacerts file with this new server cacerts file as in that other application deployed may fail.Right? Can anyone suggest what should I do so that cacerts can be merged,or what should be done? i got to know a command called as keytool but unable to understand how it could be used to merge cacerts file. I dont know how to get my CAS server .cer file,I got to know this could be used in merging,please suggest solution

There is a missunderstanding here.
cacerts is Java's default truststore containing all the trusted certificates for known CA's (Verisign etc). So java can by default trust these certificates same way that your browser does.
This truststore should be used when you want to connect to servers that are signed by these CAs.
In all other cases you are expected to use your own custom truststore so that you can trust specific servers.Actually this is the norm.
So what you should be doing is to load in your code your own truststore and provide that to Java's JSSE to use for authentication during handshake

New SSL listener port with different keystore/truststore in WebLogic

Is there any way to configure an additional SSL listener port on an existing WebLogic server that uses a different keystore and truststore configuration from the "main" SSL port?

I don't think you can use multiple keystores for the same server - Even if you're using custom key/trust stores, you should be able to consolidate everything (using import/export for keytool/ikeyman).
Under the Server -> Protocols -> Channels tab, you can define an additional port using your SSL protocol of choice (t3s/https/iiops/ldaps) but your issue should be resolved by using the earlier suggestion alone.