Issue

• JVM crash in java.util.zip.ZipFile.getEntry with SIGBUS or SIGSEGV SEGV_MAPERR. For example, a fatal error log hs_err_pid<PID>.log shows:

  #
  # A fatal error has been detected by the Java Runtime Environment:
  #
  #  SIGBUS (0x7) at pc=0x00002aaaab034021, pid=6244, tid=1227151680
  #
  # JRE version: 6.0_17-b04
  # Java VM: Java HotSpot(TM) 64-Bit Server VM (14.3-b01 mixed mode linux-amd64 )
  # Problematic frame:
  # C  [libzip.so+0xb021]
  #
  
  ...(snip)...
  
  
  siginfo:si_signo=SIGBUS: si_errno=0, si_code=2 (BUS_ADRERR), si_addr=0x00002aab3a5d73bb
  
  ...(snip)...
  
  Stack: [0x000000004914d000,0x000000004924e000],  sp=0x0000000049249270,  free space=1008k
  Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
  C  [libzip.so+0xb021]
  
  Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
  J  java.util.zip.ZipFile.getEntry(JLjava/lang/String;Z)J
  J  sun.misc.URLClassPath$JarLoader.getResource(Ljava/lang/String;Z)Lsun/misc/Resource;
  J  java.net.URLClassLoader$2.run()Ljava/lang/Object;
  v  ~StubRoutines::call_stub
  ...(snip)...
  

• JBoss sometimes crashes, during hot deploy of a large application.