Logs for debugging a GAE app - java

I've deployed an application to GAE and now I get "404 NOT_FOUND" error.
Where I can find out the detailed information about this error (stack trace) ?
In "Logs" and "Admin logs" I didn't find anything useful.
Note: By "logs" I do not mean logs for site visiting statistics.
Update: Now I managed to get rid of the 404 error. However, now I get another logging related error:
[s~project-control-center/1.352785038340247795].:
Failed to instantiate [ch.qos.logback.classic.LoggerContext]
How can I fix it?

There have been some problems recently with displaying the logs in the admin console. You can try downloading the logs:
Log Download Docs
Set --severity=0 to get the DEBUG level.

All requests are logged, but the default view is to show only logs with error messages. Click on 'Show: All requests' on the top of the logging page to show all requests.
There's unlikely to be a stacktrace for a 404 not found message, because no error occurred - the URL you attempted to fetch simply didn't exist.

Related

Goal - http://localhost:8080/messenger/webapi/myresource => to get return "Got it!, but getting HTTP Status 404

How to resolve " java.lang.ClassNotFoundException: jakarta.servlet.Filter - which is getting after running the server
Goal is to get a return as "Gotit" after application runnion on the server
Couple of solutions ask me to remove the web.xml file - the server is running fine but But not getting subject output.
The below link shows the code
Please advise how to resolve the issues as I'm trying to do a REST Web Services tutorial
[https://drive.google.com/file/d/1ytw5R71i04i-1fPcFWootaxKri51qi1B/view?usp=sharing][1]
Thanks for your help

After deploy Google App Engine returns HTTP response code 403

I've done another deploys and all was fine, but after finishing the app, I'm getting this error. And the page request keeps loading.
Do I need to configure something in "IAM"?
Java 11
Standard Environment
h2 DB
Spring boot
The stack trace from Google Cloud:
java.io.IOException: Server returned HTTP response code: 403 for URL: https://clouddebugger.googleapis.com/v2/controller/debuggees/register at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1919) at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1515) at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:250)
at com.google.devtools.cdbg.debuglets.java.GcpHubClient.registerDebuggee (Unknown Source)
I've got new data using Stackdriver debug.
"message": "Stackdriver Debugger API has not been used in project
929024293238 before or it is disabled. Enable it by visiting
https://console.developers.google.com/apis/api/clouddebugger.googleapis.com/overview?project=929024293238
then retry. If you enabled this API recently, wait a few minutes for
the action to propagate to our systems and retry.",
Just a note if somebody else stumbles across this error: I had the same message in Google's App Engine dashboard popping up up to 60 times in a couple of minutes.
Enabling the Stackdriver Debugging API, as linked above, solved it. No more error logs (of that kind) were being produced. The weired thing is that the Stackdriver Debugging API should have been turned on by default for my standard environment.
The log wasn't very informative.
I change the application port from 8000 to 8080.
application.properties:
server.port=${PORT:8080}
Now the app is running fine.

This page isn’t working localhost is currently unable to handle this request. HTTP ERROR 500 servlet

I searched on google but it is giving the answers on PHP. This error occurred in servlet. I checked the code, it's correct. To confirm the code is correct I debug the code and there is nothing wrong.
Still Getting This error.

How to enable server stack-trace for Rest calls in IBM Mobile First 8

In MF8, when I try to hit Rest Service URLs I am unable to get the stack trace when server returns a 500 error. I get the below error in POSTMAN.
"Unexpected error in server, see logs"
How can I enable the server stack trace?
It's unclear if you're using the devkit or the Mobile Foundation service.
Assuming you're using the devkit, you can find the logs in the devkit-folder/mfp-server/usr/servers/mfp/logs folder... there you will see a messages.log file.

Internal Server Error

I am getting an unusual error while running my application, just wondering if anyone has come across this before. I am using google protocol buffers, my servlet takes a request and tries to process it, I have the following code:
InputStream s = request.getInputStream();
AdRequest adRequest = AdRequest.parseFrom(s);
After executing the second line I get the error below in Myeclipse debugger:
Source not found for ApplicationFilterChain.internalDoFilter(ServletRequest, ServletResponse) line: 310
I am using Jboss app server. I get a HTTP Status-Code 500: Internal Server Error.
Does anyone have any suggestions/thoughts?
I have sorted out the problem. The protobuffers.jar file was not being included in my projects .war file, even though I had added the jar to my project MyEclipse was not including it. Upon following the path to the Jboss server and looking inside the .war I found out the jar was not there. After copying it over to Jboss/.../default/server/deploy/myproject.war/WEB-INF/lib directory the error has gone away and I am able to send a request to the servlet.
Thanks.
Regards.
I'd check your jboss logs server//log/server.log (assuming you've not configured it to be somewhere else), and you'll get a better description of the problem.
The internal server error simply means that an unhandled exception is getting passed up the filter chain.

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