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Java path issue with buckminster hudson plugin [message #501192]

Tue, 01 December 2009 13:33

Jürgen ing

Messages: 8
Registered: July 2009

Junior Member

Hi,

I use the buckminster Hudson plugin in an environment I cannot control.
When I am trying to fetch the target Platform I get an error like this:

java
-Dbuckminster.output.root=/webs/web1001/tomcat/hudsonBuildDa ta/jobs/eclipseMail
Target/workspace//buckminster.output
-Dbuckminster.temp.root=/webs/web1001/tomcat/hudsonBuildData /jobs/eclipseMail
Target/workspace//buckminster.temp
-DtargetPlatformPath=${workspace}/target -jar
plugins/org.eclipse.equinox.launcher_1.0.201.R35x_v20090715. jar
-application org.eclipse.buckminster.cmdline.headless -data
/webs/web1001/tomcat/hudsonBuildData/jobs/eclipseMail Target/workspace/
--loglevel info -S /webs/web1001/tomcat/hudsonBuildData/jobs/eclipseMail
Target/builds/2009-11-30_18-38-03/commands.txt ERROR:
java.io.IOException: java: not found
Finished: FAILURE

It looks like java is not on the path so it is not found by the
ProcessBuilder. Since I cannot add java to the path I looked for
JAVA_HOME, which is correct. So I took a look onto the source. Maybe it
is possible to check in the CommandLineBuilder whether java is available
in the path or not, somehow like this:

public List<String> buildCommands(…) … {
…
String javaCommand = "java";
ProcessBuilder processBuilder = new ProcessBuilder(javaCommand);

try {
processBuilder.start();
}
catch (IOException ex) {
// Since the process builder could not start java without a full
// qualified path we will try it with java.home
javaCommand = System.getProperty("java.home") + File.separator +
"bin" + File.separator + javaCommand;
}

// VM Options
commandList.add(javaCommand);
…
}

Greetings,
Juergen

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Re: Java path issue with buckminster hudson plugin [message #501197 is a reply to message #501192]

Tue, 01 December 2009 13:58

Johannes Utzig

Messages: 329
Registered: July 2009

Senior Member

Hi Jürgen,

that is indeed a bug. Would you please file a bug for the buckminster
component in the hudson issue tracker?
https://hudson.dev.java.net/servlets/ProjectIssues

As for the code, thank you for that. It surely would work for you as a
quick solution. However, I think the correct way of doing this would be
to use the Hudson Tool Installation logic. If you need a quick way to
build now, how about applying your fix locally and build that until I
have a chance to fix the issue?
If you have problems compiling it, I can apply your patch and compile it
for you if you want.
The resulting artifact can simply be installed with an upload form in
the hudson configuration.

I'd just rather fix this correctly while I'm at it instead of replacing
one hack with another.

Best regards,
Johannes

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Re: Java path issue with buckminster hudson plugin [message #501663 is a reply to message #501197]

Thu, 03 December 2009 10:33

Jürgen ing

Messages: 8
Registered: July 2009

Junior Member

Hi Johannes,

I tried to file a bug in the issue tracker your link is targeted to,
without success. I also tried to file an issue in JIRA, but there I do
not even get an action to create an issue. Maybe I have not the
permissions needed to file a bug.

Greetings,
Juergen

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Re: Java path issue with buckminster hudson plugin [message #501680 is a reply to message #501663]

Thu, 03 December 2009 12:33

Johannes Utzig

Messages: 329
Registered: July 2009

Senior Member

Hi Jürgen,

do you have a login yet, or did you create one? You need an account in
order to create and watch issues.

Best regards,
Johannes

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Re: Java path issue with buckminster hudson plugin [message #501760 is a reply to message #501680]

Thu, 03 December 2009 17:10

Jürgen ing

Messages: 8
Registered: July 2009

Junior Member

Hi Johannes,

I have a login and I am logged in but neither in the former bug tracker
you sent me a link to, nor in jira I can file a bug. Maybe this is an
migration issue und it will work later.

Greetings,
Juergen

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Re: Java path issue with buckminster hudson plugin [message #501873 is a reply to message #501760]

Fri, 04 December 2009 08:33

Johannes Utzig

Messages: 329
Registered: July 2009

Senior Member

Hi Jürgen,

that is strange, it worked for me:
http://issues.hudson-ci.org/browse/HUDSON-5004
Add yourself as a watcher if you want to.

Best regards,
Johannes

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Re: Java path issue with buckminster hudson plugin [message #503096 is a reply to message #501192]

Thu, 10 December 2009 20:32

Johannes Utzig

Messages: 329
Registered: July 2009

Senior Member

Hi Jürgen,

I just released version 0.9.3 to the hudson repository which should fix
the issue hopefully. It picks up the JDK you configured in hudson, if
you don't have a JDK configured in hudson, it defaults to the current
behaviour.

Hope it works for you.

Best regards,
Johannes

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