Its a bit crap, but can you stick a time.sleep(0.5) just after the attach to see if that cures it

On 29/03/2012 09:56, David Mosca wrote:

Yes I am using threads (threading module).

I initialise the JVM like this:jvm = lucene.initVM(initialheap='8G', maxheap='8G')

Then I use it as follows:

for i in range(8):

        t = ThreadSearch(queue, jvm)

        t.setDaemon(True)

        t.start()

with ThreadSearch built like this:

class ThreadSearch(threading.Thread):

    def __init__(self, queue, jvm):

        threading.Thread.__init__(self)

        self.queue = queue

        self.jvm = jvm

    def run(self):

        self.jvm.attachCurrentThread()

I have tried lucene.getVMEnv().attachCurrentThread() instead but I still get the same error message.

Thanks,

David

*From:*Greg Bowyer [mailto:gbow...@fastmail.co.uk]
*Sent:* 29 March 2012 17:30
*To:* David Mosca
*Cc:* java-user@lucene.apache.org
*Subject:* Re: PyLucene Error Message

Wow a VM / hotspot crash, are you using threads ?

If you are make sure you have correctly attached the vm env to each new thread *after* you have initialised it on the main thread

This is done with the following
lucene.getVMEnv().attachCurrentThread()

On 29/03/2012 09:10, David Mosca wrote:

I have re-attached the log.
Thanks, David -----Original Message-----
From: Greg Bowyer [mailto:gbow...@fastmail.co.uk]
Sent: 29 March 2012 16:55
To:java-user@lucene.apache.org  <mailto:java-user@lucene.apache.org>
Subject: Re: PyLucene Error Message
I dont see any attached log, can you attach the log please. -- Greg
On 29/03/2012 07:35, David Mosca wrote:

    Hello,

    I am using Lucene version 3.4 through the Python extension (pylucene)

    in a multi-threaded script. When I launch the script I sometimes get a

    fatal error message (log attached) and sometimes not (I always launch

    the same script, exactly in the same way). When I get the error

    message I keep launching the script again until the script stops

    crashing (it sometimes takes up to 5 or 6 times).

    Could you please have a look into this?

    Thank you.

    *David*

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