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No Servlet Container Info from jolokia info #251

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schoekek opened this issue Apr 13, 2016 · 6 comments
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No Servlet Container Info from jolokia info #251

schoekek opened this issue Apr 13, 2016 · 6 comments
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@schoekek
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I try the follow uri:
wget http://localhost:80/jolokia/
response:

{"timestamp":1458205346,"status":200,"request":{"type":"version"},"value":{"protocol":"7.2","config":{"detectorOptions":"{}","canonicalNaming":"true","maxCollectionSize":"0","includeStackTrace":"true","historyMaxEntries":"10","agentId":"1.1.1.1-6044-1526c3d4-servlet","debug":"false","dispatcherClasses":"org.jolokia.jsr160.Jsr160RequestDispatcher","maxDepth":"15","maxObjects":"0","discoveryEnabled":"false","serializeException":"false","agentType":"servlet","debugMaxEntries":"100"},"agent":"1.3.3","info":{}}}

The info block is empty, why?
Is the a tomcat settings problem?

@luettenberg
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Hello,

got the same issue.

Environment:

  • Debian 8.4 Jessie
  • Tomcat 8.0.14 (installed via apt)
  • Jolokia 1.3.3 deployed as war-File

The Problem seems to be the pattern in Class jolokia/agent/core/src/main/java/org/jolokia/detector/TomcatDetector.java. This Class evaluates the attribute serverInfo.

In my case serverInfo is set to : "Apache Tomcat/8.0.14 (Debian)".
The Pattern "^\s_([^/]+)\s_/\s*([\d.]+(-RC\d+)?)" found in TomcatDetector does not match so it returns null.

A fix would be nice because mk_jolokia script from check_mk evaluates productinformation and does container dependend checks if set.

Thanks for your help

rhuss added a commit that referenced this issue Apr 13, 2016
@rhuss
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rhuss commented Apr 13, 2016

Sorry, I was too fast (thats not often the case ;-) Thanks for the PR, I'm just pushing a snapshot.

@lgbff what Tomcat are you using ?

@rhuss
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rhuss commented Apr 13, 2016

tbh, I don't know when I'm going to release 1.3.4, hopefully soon but I don't have much 'material' yet for it.

@luettenberg
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Thanks for the quick fix. Deleted PR. The release is no problem for me - latest snapshot is all i need.

@luettenberg
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Quickfix for those who cannot wait until release of 1.3.4:

  1. Create File CATALINA_BASE/lib/org/apache/catalina/util/ServerInfo.properties with Content:
    server.info=Apache Tomcat/8.0.14
  2. Restart Tomcat

For details see: https://tomcat.apache.org/tomcat-8.0-doc/security-howto.html#Security_manager

@rhuss
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rhuss commented Apr 13, 2016

Cool, thx for the tip.

1.3.4-SNAPSHOT has been pushed, please let me know whether it works for you (and reopen the issue if not)

@rhuss rhuss closed this as completed Apr 13, 2016
@rhuss rhuss added this to the 1.3.4 milestone Apr 13, 2016
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