Enable agent debug log

[Gerd Katzenbeisser]

Hi @all!

The agents on one of our build cannot connect to the server anymore. 

2016-07-18 08:49:36,113 [loopThread] INFO  go.agent.service.SslInfrastructureService:93 - [Agent Registration] Starting to register agent

2016-07-18 08:49:36,129 [loopThread] ERROR go.agent.service.SslInfrastructureService:112 - [Agent Registration] There was a problem registering with the go server.

java.lang.StringIndexOutOfBoundsException: String index out of range: -4

at java.lang.String.charAt(Unknown Source)

at org.bouncycastle.util.encoders.Base64Encoder.decode(Unknown Source)

at org.bouncycastle.util.encoders.Base64.decode(Unknown Source)

at org.bouncycastle.util.io.pem.PemReader.loadObject(Unknown Source)

at org.bouncycastle.util.io.pem.PemReader.readPemObject(Unknown Source)

at com.thoughtworks.go.security.Registration.fromJson(Registration.java:49)

I want to enable the debug log level to get more infos about what is going wrong. But I don't know how to do that. What I tried so far is:

• Change all lines mentioning log level INFO to DEBUG in config/log4j.properties 
  
• Uncomment the line mentioning Agent Debug in wrapper-agent.conf
  set.JVM_DEBUG=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=%JVM_DEBUG_PORT%
• Set all wrapper.*.loglevel to DEBUG in wrapper-agent.conf
  

But I still only get Info level. How do I correctly enable the debug log level?

greets

Gerd

[Ketan Padegaonkar]

You want to configure it using `go-agent-log4j.properties` in the directory where you installed the go agent.

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[Gerd Katzenbeisser]

Thanks for the quick reply. I only had a look at the config folder and missed the file in the agents dir.

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[ddor...@thoughtworks.com]

@Gerd: Did you solve your problem? I'm having the same issue...

[ddor...@thoughtworks.com]

Ok, I was able to solve the problem with Aravind's help

I was getting the same stacktrace as you @Gerd. In the go-server, my new agent was in 'Pending' state. I was able to then just enable that agent and now it is working just fine.

Cheers,

Duda.

[ddor...@thoughtworks.com]

There is an open issue for that now: https://github.com/gocd/gocd/issues/2464

Thanks,

Duda.