Re: [tycho-user] JVM Crash during Tycho build

[Aurélien Pupier <aurelien.pupier@xxxxxxxxxxxxxx>]

Hi Jan,

thanks for the answer.
We are using a shared maven repository but we manage locks at job level which should prevent concurrent jobs on the same Maven repo for Tycho artefacts.

regards,

2015-09-30 9:42 GMT+02:00 Sievers, Jan <jan.sievers@xxxxxxx>:

any chance you have concurrent build jobs using the same local maven repo?
use a private local maven repo per job

Jan

On 30/09/15 09:29, "tycho-user-bounces@xxxxxxxxxxx on behalf of Aurélien
Pupier" <tycho-user-bounces@xxxxxxxxxxx on behalf of
aurelien.pupier@xxxxxxxxxxxxxx> wrote:

>Hi,
>
>I would like to know if others encounter a JVM crash during Tycho build.
>It is a
>JVM bug <http://bugs.java.com/view_bug.do?bug_id=4425695> when a jar is
>read and write simultaneously. It seems that it exists a workaround only
>on Oracle VM (-Dsun.zip.disableMemoryMapping=true) In our CI, the
> crash occurs 3 to 10 times per month.
>
>Does someone else encounter this issue?
>If several people are concerned, it might worth to modify algorithm on
>Tycho side to avoid the issue.
>
>Regards,
>
>
>just an extract of some lines of the crash report:
>
>
>Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
>J 2199  java.util.zip.ZipFile.getNextEntry(JI)J (0 bytes) @
>0x00007f6e5d43af64 [0x00007f6e5d43af20+0x44]
>J 2196 C2 java.util.zip.ZipFile$1.nextElement()Ljava/lang/Object; (5
>bytes) @ 0x00007f6e5d5f8840 [0x00007f6e5d5f8760+0xe0]
>J 2872 C2
>org.eclipse.jdt.internal.compiler.batch.ClasspathJar.isPackage(Ljava/lang/
>String;)Z (146 bytes) @ 0x00007f6e5d679064 [0x00007f6e5d678b80+0x4e4]
>
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Aurelien Pupier  R&D Engineer, BonitaBPM Studio Development Leader aurelien.pupier@xxxxxxxxxxxxxx apupier 32, rue Gustave Eiffel - 38000 Grenoble, France Download Bonita BPM | Access BPM Quick Start Center
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