Having just beat my head against a virtual brick wall for the last few days, I
think I can help.
Take a look at:
http://java.sun.com/j2se/1.5.0/docs/tooldocs/windows/java.html
In particular, note these arguments about 3/4 of the way down the page.
-Xmsn
Specify the initial size, in bytes, of the memory allocation pool. This value
must be a multiple of 1024 greater than 1MB. Append the letter k or K to
indicate kilobytes, or m or M to indicate megabytes. The default value is 2MB.
Examples:
-Xms6291456
-Xms6144k
-Xms6m
-Xmxn
Specify the maximum size, in bytes, of the memory allocation pool. This value
must a multiple of 1024 greater than 2MB. Append the letter k or K to indicate
kilobytes, or m or M to indicate megabytes. The default value is 64MB. Examples:
-Xmx83886080
-Xmx81920k
-Xmx80m
-Xms256M will set the initial swap space to 256 meg.
-Xmx512M will set the maximum memory size to 512 meg.
Use numbers appropriate for your computer. How you set the JVM arguments will
depend on how you have your enviroment configured. I can't help you there.
Also, try starting a separate thread to do your data analysis. You are running
your data analysis in
the AWT event thread. Best to just start a separate thread in your
actionedPerformed handler and let go of the AWT event thread.
Ken
[EMAIL PROTECTED] wrote:
Hi,
I'm reading the integer data that is present in a .txt file and upon reading it
I'm doing some compution. My program is working well and gud for small amount
of data in the file, but when i'm trying to read large of amount of data that
is present in the file I'm getting the below mentioned error.
Exception in thread AWT-EventQueue-0 java.lang.OutOfMemoryError: Java heap spa
ce
at DataAnalysis.kohonen(DataAnalysis.java:472)
at DataAnalysis.readfile(DataAnalysis.java:376)
at DataAnalysis$submit.actionPerformed(DataAnalysis.java:215)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Sour
ce)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
The thing that I couldn't able to get is when I'm checking at the lines 472;
376; 215 in my code, those lines are blank lines which dont have any code. I
couldn't able to know like what went wrong and where i went wrong.
[Message sent by forum member 'sarath44' (sarath44)]
http://forums.java.net/jive/thread.jspa?messageID=227518
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