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Increase Eclipse heap size [message #675788]

Wed, 01 June 2011 13:58

fixed-term.simon.braun

Messages: 8
Registered: October 2010

Junior Member

Hi together,

I want to parse big XML-Files (32MB) with Xquery (small files work fine).
I always reveive the error: Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
Then I changed -Xms and -Xmx in the eclipse.ini but nothing happend, I couldn't fix the problem even if I enter enough memory (1024MB). The parsing-process of Eclipse only takes to about 300MB and then it throws the error.
So in my opinion, only Eclipse gets the memory and not the parsing-process. (Nevertheless this amount should be enough for the parsing-process...)

So how can I change this?

Best regards,
Simon

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Re: Increase Eclipse heap size [message #677335 is a reply to message #675788]

Wed, 08 June 2011 08:15

David Williams

Messages: 176
Registered: July 2009

Senior Member

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
<title></title>
</head>
<body bgcolor="#ffffff" text="#000000">
 
<blockquote cite="mid:is5g1h$ucf$1@news.eclipse.org" type="cite">I
want to parse big XML-Files (32MB) with Xquery (small files work
fine).
 
I always reveive the error: Exception in thread "main"
java.lang.OutOfMemoryError: Java heap space
 
Then I changed -Xms and -Xmx in the eclipse.ini but nothing
happend, I couldn't fix the problem even if I enter enough memory
(1024MB). 
</blockquote>
 
I can not keep it straight on how to change VM argument parameters
... I also have had trouble sometimes getting "-Xmx" to "take". You
might try specifying it on the command line, such as "eclipse ...
-vmargs -Xmx1G and see if it makes a difference. 
 
And, the ultimate irony .... I was going to look for a link to
command line arguments, and found this link with a search service: 
 
<a class="moz-txt-link-freetext" href="http://help.eclipse.org/helios/topic/org.eclipse.platform.doc.isv/reference/misc/runtime-options.html">http://help.eclipse.org/helios/topic/org.eclipse.platform.doc.isv/reference/misc/runtime-options.html</a>
 
 
And, what did I get when I tried it? 
 
<h2>HTTP ERROR 500</h2>
Problem accessing
/help/topic/org.eclipse.platform.doc.isv/reference/misc/runtime-options.html.
Reason:

<pre> INTERNAL_SERVER_ERROR</pre>
<h3>Caused by:</h3>
<pre>java.lang.OutOfMemoryError
at java.util.zip.InflaterInputStream.<init>(InflaterInputStream.java:96)
at java.util.zip.ZipFile$2.<init>(ZipFile.java:391)
at java.util.zip.ZipFile.getInputStream(ZipFile.java:362)
at java.util.zip.ZipFile.getInputStream(ZipFile.java:327)
at org.eclipse.osgi.baseadaptor.bundlefile.ZipBundleEntry.getInputStream(ZipBundleEntry.java:60)
at org.eclipse.osgi.framework.internal.core.BundleURLConnection.connect(BundleURLConnection.java:53)
at org.eclipse.osgi.framework.internal.core.BundleURLConnection.getInputStream(BundleURLConnection.java:99)
[...]

at java.net.URL.openStream(URL.java:1044)
</pre>
 
</body>
</html>

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Re: Increase Eclipse heap size [message #677339 is a reply to message #677335]

Wed, 08 June 2011 08:29

David Williams

Messages: 176
Registered: July 2009

Senior Member

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
</head>
<body bgcolor="#ffffff" text="#000000">
On 06/08/2011 04:15 AM, David Williams wrote:
<blockquote cite="mid:isnaic$94h$1@news.eclipse.org" type="cite">
<meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
<title></title>
 
<blockquote cite="mid:is5g1h$ucf$1@news.eclipse.org" type="cite">I
want to parse big XML-Files (32MB) with Xquery (small files work
fine). 
I always reveive the error: Exception in thread "main"
java.lang.OutOfMemoryError: Java heap space 
Then I changed -Xms and -Xmx in the eclipse.ini but nothing
happend, I couldn't fix the problem even if I enter enough
memory (1024MB). 
</blockquote>
 
</blockquote>
Oh, and .... thinking now about what you are trying to do ... you
probably need to set the vm arguments in one of the "run" launcher
configurations (that, I'm assuming, is created when you try to "run"
your xquery? 
 
</body>
</html>

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Re: Increase Eclipse heap size [message #693897 is a reply to message #677335]

Thu, 07 July 2011 13:09

fixed-term.simon.braun

Messages: 8
Registered: October 2010

Junior Member

>I can not keep it straight on how to change VM argument parameters
>... I also have had trouble sometimes getting "-Xmx" to "take". You
>might try specifying it on the command line, such as "eclipse ...
>-vmargs -Xmx1G and see if it makes a difference.

No, it doesn't make a difference.

>Oh, and .... thinking now about what you are trying to do ... you
>probably need to set the vm arguments in one of the "run" launcher
>configurations (that, I'm assuming, is created when you try to "run"
>your xquery?

Meanwhile I think, it is not passible to parse this big files.
(At least I don't know how Wink

)
So I decided to split this large files into smaller ones and everything
just works fine.

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