Hudson is a continuous integration tool similar to CruiseControl. It has a very good web GUI for defining tasks unlike CruiseControl.
Inside it I have configured a call to an ant task.
Strangely enough in on of the projects that had to be build I got:
Strange.
I double checked the script in eclipse. It worked.
Manual call to ant on the eclipse machine also worked.
Then I went to the Hudson machine (a test environment). I ran the script manually. The same freaking error.
I copied the whole dir to another place on the test environment: no problem.
Maybe it's the credentials: added read/write to all. Still the same error.
Then I ran the script with: ant -verbose and see what I got:
at org.apache.tools.ant.taskdefs.compilers.DefaultCompilerAdapter.executeExternalCompile(DefaultCompilerAdapter.java:509)
at org.apache.tools.ant.taskdefs.compilers.JavacExternal.execute(JavacExternal.java:61)
at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:997)
at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:820)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:105)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:357)
at org.apache.tools.ant.Target.performTasks(Target.java:385)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329)
at org.apache.tools.ant.Project.executeTarget(Project.java:1298)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1181)
at org.apache.tools.ant.Main.runBuild(Main.java:698)
at org.apache.tools.ant.Main.startAnt(Main.java:199)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
Caused by: java.io.IOException: Cannot run program "_path_\javac.exe": CreateProcess error=87, The parameter is incorrect
at java.lang.ProcessBuilder.start(ProcessBuilder.java:459)
at java.lang.Runtime.exec(Runtime.java:593)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tools.ant.taskdefs.Execute$Java13CommandLauncher.exec(Execute.java:828)
at org.apache.tools.ant.taskdefs.Execute.launch(Execute.java:445)
at org.apache.tools.ant.taskdefs.Execute.execute(Execute.java:459)
at org.apache.tools.ant.taskdefs.compilers.DefaultCompilerAdapter.executeExternalCompile(DefaultCompilerAdapter.java:506)
... 20 more
Caused by: java.io.IOException: CreateProcess error=87, The parameter is incorrect
at java.lang.ProcessImpl.create(Native Method)
at java.lang.ProcessImpl.<init>(ProcessImpl.java:81)
at java.lang.ProcessImpl.start(ProcessImpl.java:30)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:452)
... 29 more
--- Nested Exception ---
java.io.IOException: Cannot run program "_path_\javac.exe": CreateProcess error=87, The parameter is incorrect
at java.lang.ProcessBuilder.start(ProcessBuilder.java:459)
at java.lang.Runtime.exec(Runtime.java:593)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tools.ant.taskdefs.Execute$Java13CommandLauncher.exec(Execute.java:828)
at org.apache.tools.ant.taskdefs.Execute.launch(Execute.java:445)
at org.apache.tools.ant.taskdefs.Execute.execute(Execute.java:459)
at org.apache.tools.ant.taskdefs.compilers.DefaultCompilerAdapter.executeExternalCompile(DefaultCompilerAdapter.java:506)
at org.apache.tools.ant.taskdefs.compilers.JavacExternal.execute(JavacExternal.java:61)
at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:997)
at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:820)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:105)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:357)
at org.apache.tools.ant.Target.performTasks(Target.java:385)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329)
at org.apache.tools.ant.Project.executeTarget(Project.java:1298)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1181)
at org.apache.tools.ant.Main.runBuild(Main.java:698)
at org.apache.tools.ant.Main.startAnt(Main.java:199)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
Caused by: java.io.IOException: CreateProcess error=87, The parameter is incorrect
at java.lang.ProcessImpl.create(Native Method)
at java.lang.ProcessImpl.<init>(ProcessImpl.java:81)
at java.lang.ProcessImpl.start(ProcessImpl.java:30)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:452)
... 29 more
Cannot create a process?!
That's weird.
So tired enough I did something desperate:
From
I went to
<javac fork="false"
and it worked ..... 🙁
Keep in mind that in the same build project I was calling a few other build.xml doing <javac fork="true"
several times before this one.
But this one was the only one having a reference to junit.jar (somewhere on the net I saw an article saying something about junit but don't remember what).
So I left it like this.
I had a similar issue where ant would fail with fork="true". It turns out it couldn't handle the default path to my Java Home. I changed the
environment variable to point to c:\Progra~1\... instead of "c:\ Program Files\..." and it worked fine.
Same error, the root cause -classpath parameter is tooo big so java.exe failed to be executed.