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Re: [tycho-user] 0.23.0: Problem creating zip

I've seen this "Too many open files" error twice, in my local builds (non NFS file system) -- out of several scores of test builds -- and each time it occurred, I'd re-build, and then would not occur.
(So, I suspect a bug somewhere ... but, may be hard to isolate, since occurs so rarely, for me.)




From:        "Sievers, Jan" <jan.sievers@xxxxxxx>
To:        Tycho user list <tycho-user@xxxxxxxxxxx>,
Date:        06/09/2015 11:44 AM
Subject:        Re: [tycho-user] 0.23.0:  Problem creating zip
Sent by:        tycho-user-bounces@xxxxxxxxxxx




might be caused by new plexus-archiver

https://bugs.eclipse.org/bugs/show_bug.cgi?id=461974

not sure if it's a bug.
It could be simply that you were always near the file handle limit and the algorithm changed slightly so you now exceed the limit.

on Linux, you can monitor open files with lsof, e.g.

watch 'lsof | wc -l'

you may want to check the limit

sysctl -a | grep fs.file-max

and increase it using sysctl -w

Regards
Jan






From: tycho-user-bounces@xxxxxxxxxxx [
mailto:tycho-user-bounces@xxxxxxxxxxx] On Behalf Of Vincent GUIGNOT
Sent: Dienstag, 9. Juni 2015 17:02
To: Tycho user list
Subject: [tycho-user] 0.23.0: Problem creating zip

Hello,
I'm trying to pass from tycho 0.22.0 to 0.23.0. The build fails with 0.23.0 on the archive-product goal from org.eclipse.tycho:tycho-p2-director-plugin:0.23.0:archive-products with error Too many open files.
It works when using 0.22.0 tycho version.


The files to be zipped are an Arm toolchain hosted on a fragment. The toolchain contains many files with many directories.


Error code are :
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.eclipse.tycho:tycho-p2-director-plugin:0.23.0:archive-products (archive-products) on project com.ingenico.ingedev.product.ui: Error packing product
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:216)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
        at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
        at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:120)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:355)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:155)
        at org.apache.maven.cli.MavenCli.execute(MavenCli.java:584)
        at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:216)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:160)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
        at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
        at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: org.apache.maven.plugin.MojoExecutionException: Error packing product
        at org.eclipse.tycho.plugins.p2.director.ProductArchiverMojo.execute(ProductArchiverMojo.java:142)
        at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:132)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
        ... 19 more
Caused by: org.codehaus.plexus.archiver.ArchiverException: Problem creating zip: /home/vguignot/git/xxxx/Products/xxxx/target/products/xxxx/win32/win32/x86/plugins/xxxx.bin.win32.tools_7.28.0.20150609/os/win32/tools/lib/sre_parse.py (Too many open files)
        at org.codehaus.plexus.archiver.AbstractArchiver.createArchive(AbstractArchiver.java:1007)
        at org.eclipse.tycho.plugins.p2.director.ProductArchiverMojo.execute(ProductArchiverMojo.java:139)
        ... 21 more
Caused by: java.io.FileNotFoundException: /home/vguignot/git/xxxx/Products/xxxx/target/products/xxxx/win32/win32/x86/plugins/xxxx.bin.win32.tools_7.28.0.20150609/os/win32/tools/lib/sre_parse.py (Too many open files)
        at java.io.FileInputStream.open(Native Method)
        at java.io.FileInputStream.<init>(FileInputStream.java:146)
        at org.codehaus.plexus.components.io.resources.PlexusIoFileResource$1.getContents(PlexusIoFileResource.java:99)
        at org.codehaus.plexus.components.io.resources.PlexusIoFileResource.getContents(PlexusIoFileResource.java:124)
        at org.codehaus.plexus.archiver.ArchiveEntry.getInputStream(ArchiveEntry.java:126)
        at org.codehaus.plexus.archiver.zip.AbstractZipArchiver.zipFile(AbstractZipArchiver.java:491)
        at org.codehaus.plexus.archiver.zip.AbstractZipArchiver.addResources(AbstractZipArchiver.java:365)
        at org.codehaus.plexus.archiver.zip.AbstractZipArchiver.createArchiveMain(AbstractZipArchiver.java:321)
        at org.codehaus.plexus.archiver.zip.AbstractZipArchiver.execute(AbstractZipArchiver.java:222)
        at org.codehaus.plexus.archiver.AbstractArchiver.createArchive(AbstractArchiver.java:990)
        ... 22 more
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