Customer application has 3 crashes, using 6.0u2 JVM on Solaris x64 platform.

current thread: t@282
dbx: core file read error: address 0x75f not in data space
dbx: attempt to read frame failed -- cannot get return address
  [1] __lwp_kill(0x11a, 0x6, 0xffffffffb473c080, 0xfffffd7fff2f4c1e, 0x0, 0x6), at 0xfffffd7fff2f42ea
  [2] _thr_kill(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff2ef2d3
  [3] raise(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff29ce19
  [4] abort(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff27c970
  [5] os::abort(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ffee7ba74
  [6] VMError::report_and_die(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ffef87375
  [7] JVM_handle_solaris_signal(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ffe915803
  [8] signalHandler(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ffe915a8e
  [9] __sighndlr(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff2f1216
  [10] call_user_handler(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff2e64a2
  [11] sigacthandler(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff2e6688
  ---- called from signal handler with signal 11 (SIGSEGV) ------
=>[12] JVM_ArrayCopy(0xfffffd7f52742ce9, 0xfffffd7f52743bd8, 0xfffffd7f31953488, 0xfffffd7f5f91d7c0, 0x4300000000000000, 0x5c0), at 0xfffffd7ffe8a63b8
  [13] 0xfffffd7ffb0617a9(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ffb0617a9
  [14] 0xfffffd7ffbc75b50(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ffbc75b50

hs_err files are attached.