VPE build crashes on RHEL4 x86_64

Build crashes when run on http://hudson.qa.jboss.com/hudson/computer/dev17-rhel4-x86_64:

1. A fatal error has been detected by the Java Runtime Environment:
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2. SIGSEGV (0xb) at pc=0x0000002a96b07f31, pid=1717, tid=1076017504
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3. JRE version: 6.0_20-b02
4. Java VM: Java HotSpot(TM) 64-Bit Server VM (16.3-b01 mixed mode linux-amd64 )
5. Problematic frame:
6. C [libzip.so+0xaf31]
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7. An error report file with more information is saved as:
8. /qa/hudson_ws/workspace/jbosstools-3.2_trunk.component--vpe/sources/hs_err_pid1717.log
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9. If you would like to submit a bug report, please visit:
10. http://java.sun.com/webapps/bugreport/crash.jsp
11. The crash happened outside the Java Virtual Machine in native code.
12. See problematic frame for where to report the bug.
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http://hudson.qa.jboss.com/hudson/view/DevStudio_Trunk/job/jbosstools-3.2_trunk.component--vpe/19/console
http://hudson.qa.jboss.com/hudson/view/DevStudio_Trunk/job/jbosstools-3.2_trunk.component--vpe/ws/sources/hs_err_pid1717.log