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Exception in thread "http-bio-8080-exec-3"

Sandeep Bhoyar

Joined: May 17, 2010
Posts: 17

I am getting out of memory error while running the web appl.

Even though I set the java_opt= -Xms512m -Xmx1024m but still I am getting error . can any one tell me why this is happening

Exception in thread "http-bio-8080-exec-3" java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(
at java.lang.AbstractStringBuilder.expandCapacity(
at java.lang.AbstractStringBuilder.append(
at java.lang.StringBuilder.append(

Rob Spoor

Joined: Oct 27, 2005
Posts: 19908

Sandeep Bhoyar wrote:Please let me know its urgent

Please EaseUp. There is no such thing as "urgent" around here.

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William Brogden
Author and all-around good cowpoke

Joined: Mar 22, 2000
Posts: 12890
Given the message showing the source:
at java.lang.StringBuilder.append(

I would say you are trying to add more text to a StringBuilder than available memory allows.

Probably there is a conceptual / architecture error in your code which led you to this but since you don't mention what your code is supposed to do.....



Paul Clapham

Joined: Oct 14, 2005
Posts: 19345

I don't see anything Tomcat-related in this post. It's more of a general Java question. So let's move it there...
Sandeep Bhoyar

Joined: May 17, 2010
Posts: 17

@ Paul : Can you please share where Generally we set Heap Memory or where we get Heap memory Error ?

@ William : Then Code is workin fine on my QA server this problem I am facing in my local System. William I can't disclose my code but you are right the code that I collect in string builder is bigger can you please share instead of stringBuilder what I can use ?
I agree. Here's the link:
subject: Exception in thread "http-bio-8080-exec-3"