Thanks for the suggestions. I'm using u14. (Actually I think I'm using 1.7 at
this moment, but normally 1.6.0u14.) We're moving to u14 in production, in
hopes of beginning to test G1. (We're going to be *very* conservative about
that though.) On our production systems we've had a bit too many long GC
pauses. I'm hoping G1 will help us with that. Of course it may be that just
going from 1.5 to 1.6 will be enough. (We're just in the process of that now.)
It doesn't look like a lock issue:
plockstat: pid 2952 has exited
Mutex block
Count nsec Lock Caller
-------------------------------------------------------------------------------
10 209803 libc.so.1`libc_malloc_lock
libjava.so`JNU_GetStringPlatformChars+0x4d0
20 72016 libc.so.1`libc_malloc_lock
libjava.so`JNU_ReleaseStringPlatformChars+0x1e
50 27446 libc.so.1`libc_malloc_lock libjvm.so`__1cCosEfree6Fpv_v_+0x1e
24 27960 libc.so.1`libc_malloc_lock libzip.so`zcfree+0x1e
12 25816 libc.so.1`libc_malloc_lock libjvm.so`__1cCosGmalloc6FI_pv_+0x2e
5 26522 libc.so.1`libc_malloc_lock libverify.so`verify_method+0x99a
2 55999 libc.so.1`libc_malloc_lock
libzip.so`Java_java_util_zip_Inflater_inflateBytes+0xb4
6 17213 libc.so.1`libc_malloc_lock libzip.so`freeZip+0x93
5 18190 libc.so.1`libc_malloc_lock libzip.so`freeMetaNames+0x3b
1 85590 libc.so.1`libc_malloc_lock
libverify.so`VerifyClassForMajorVersion+0x46c
1 50780 libc.so.1`libc_malloc_lock
libzip.so`Java_java_util_zip_Deflater_deflateBytes+0x1b7
2 24013 libc.so.1`libc_malloc_lock
libverify.so`signature_to_fieldtype+0x93b
2 20947 libc.so.1`libc_malloc_lock
libverify.so`VerifyClassForMajorVersion+0x306
2 20475 libc.so.1`libc_malloc_lock
libzip.so`Java_java_util_zip_Deflater_deflateBytes+0x101
1 39596 libc.so.1`libc_malloc_lock libverify.so`CCinit+0x22
1 39205 libc.so.1`libc_malloc_lock libverify.so`class_to_ID+0x74d
1 37187 libc.so.1`libc_malloc_lock libverify.so`class_name_to_ID+0x323
1 37001 libc.so.1`libc_malloc_lock libc.so.1`calloc+0x4c
4 8815 libc.so.1`libc_malloc_lock libzip.so`ZIP_FreeEntry+0x48
1 32371 libc.so.1`libc_malloc_lock libzip.so`ZIP_FreeEntry+0x7c
4 4338 libc.so.1`libc_malloc_lock
libzip.so`Java_java_util_zip_Inflater_end+0x2e
1 17218 libc.so.1`libc_malloc_lock libCrun.so.1`__1c2n6FI_pv_+0x38
1 10798 libc.so.1`libc_malloc_lock
libverify.so`VerifyClassForMajorVersion+0x54d
1 10341 libc.so.1`libc_malloc_lock libjava.so`readBytes+0x17f
1 10170 libc.so.1`libc_malloc_lock libzip.so`freeCEN+0x21
1 9553 libc.so.1`libc_malloc_lock libzip.so`newEntry+0x1f
1 9060 libc.so.1`libc_malloc_lock libzip.so`freeMetaNames+0x5b
1 8116 libc.so.1`libc_malloc_lock
libverify.so`cp_index_to_class_fullinfo+0x6c2
1 3288 libc.so.1`libc_malloc_lock
libverify.so`VerifyClassForMajorVersion+0xb48
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