Re: JDK 1.4.2 hanging on futex

sometimes there is more information on the deadlock at the bottom of the 
thread dump (i think) including what thread was deadlocked with what...

Veda N Ponnusamy wrote:

>I'm having problem with SUN jdk 1.4.2. My application deadlocks when its trying to find the file size. When I do a strace -p pid, this is the output I get
>
>futex(0x9e21ff88, FUTEX_WAIT, 0, NULL)
>
>
>The thread dump shows the following: 
>
>
>"RMI TCP Connection(1206)-10.0.102.3" daemon prio=1
>tid=0xaa1125f0 nid=0x4690 waiting for monitor entry
>[a15a1000..a15a2854]
>        at
>java.io.ExpiringCache.get(ExpiringCache.java:50)
>        - waiting to lock <0x4ad90d78> (a
>java.io.ExpiringCache)
>        at
>java.io.UnixFileSystem.canonicalize(UnixFileSystem.java:137)
>        at
>java.io.File.getCanonicalPath(File.java:513)
>        at
>java.io.FilePermission$1.run(FilePermission.java:218)
>        at
>java.security.AccessController.doPrivileged(Native
>Method)
>        at
>java.io.FilePermission.init(FilePermission.java:212)
>        at
>java.io.FilePermission.<init>(FilePermission.java:264)
>        at
>java.lang.SecurityManager.checkRead(SecurityManager.java:863)
>        at java.io.File.length(File.java:791)
>        at
>com.zantaz.base.archiver.FileProxy.getSizeFromDisk(FileProxy.java:496)
>
>This app used to work without any problem in jdk1.3. Does anyone have any clue ??
>
>
>Reg
>Veda
>
>
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