I can second this; in fact, I have noticed it in previous
versions as
well (1.8.0.5 I believe). This is a _serious_ problem, are
there any
work arounds?
Marc
Francois Valdy wrote:
> Deadlock can occur at server shutdown (with remote
SHUTDOWN command)
> with 1.8.0.7, see locked stack traces below.
> I don't believe you'll need more details (cause I
easily found this
> race condition reason in Server code), but if you do,
feel free to
> ask.
>
> The server doesn't answer the shutdown command, keeps
connection open,
> and doesn't exit.
> This is quite serious as it prevents the client
application from shuting down.
>
> Thanks in advance.
>
> Francois.
>
> "HSQLDB Server  1df8b99" prio=6
tid=0x4918a058 nid=0x1330 waiting on
> condition [0x4957f000..0x4957fc68]
> at java.lang.Thread.sleep(Native Method)
> at org.hsqldb.Server.shutdown(Unknown Source)
> - locked <0x07a04560> (a org.hsqldb.Server)
> at org.hsqldb.Server.run(Unknown Source)
> at org.hsqldb.Server.access$000(Unknown Source)
> at org.hsqldb.Server$ServerThread.run(Unknown Source)
>
> "HSQLDB Connection 9b8ff9" prio=6
tid=0x4918e3f0 nid=0x318 waiting
> for monitor entry [0x4a61f000..0x4a61fbe8]
> at org.hsqldb.Server.print(Unknown Source)
> - waiting to lock <0x07a04560> (a
org.hsqldb.Server)
> at org.hsqldb.Server.printWithThread(Unknown Source)
> at org.hsqldb.Server.releaseServerSocket(Unknown
Source)
> at org.hsqldb.Server.stop(Unknown Source)
> at org.hsqldb.Server.notify(Unknown Source)
> at org.hsqldb.DatabaseManager.notifyServers(Unknown
Source)
> at org.hsqldb.DatabaseManager.removeDatabase(Unknown
Source)
> at org.hsqldb.Database.close(Unknown Source)
> at
org.hsqldb.DatabaseCommandInterpreter.processShutdown(Unknow
n Source)
> at
org.hsqldb.DatabaseCommandInterpreter.executePart(Unknown
Source)
> at
org.hsqldb.DatabaseCommandInterpreter.execute(Unknown
Source)
> at
org.hsqldb.Session.sqlExecuteDirectNoPreChecks(Unknown
Source)
> - locked <0x07a0f9b8> (a org.hsqldb.Database)
> at org.hsqldb.Session.execute(Unknown Source)
> - locked <0x07a0f9b8> (a org.hsqldb.Database)
> at org.hsqldb.ServerConnection.run(Unknown Source)
> at java.lang.Thread.run(Thread.java:595)
>
>
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