java.lang.OutOfMemoryError: Java heap Space in apache tomact 8.0

I am getting java.lang.OutOfMemoryError: Java heap Space error in jasperserver 6.4 server. 

06-Nov-2018 14:57:53.168 SEVERE [http-nio-8080-ClientPoller-0] org.apache.tomcat.util.net.NioEndpoint.checkParachute SEVERE:Memory usage is low, parachute is non existent, your system may start failing.
06-Nov-2018 14:57:51.202 SEVERE [http-nio-8080-ClientPoller-1] org.apache.tomcat.util.net.NioEndpoint.checkParachute SEVERE:Memory usage is low, parachute is non existent, your system may start failing.
06-Nov-2018 14:59:17.612 SEVERE [http-nio-8080-Acceptor-0] org.apache.tomcat.util.net.NioEndpoint$Acceptor.run 
 java.lang.OutOfMemoryError: Java heap space
 
Exception in thread "RMI RenewClean-[10.2.7.40:33973]" java.lang.OutOfMemoryError: Java heap space
06-Nov-2018 14:59:43.730 SEVERE [http-nio-8080-ClientPoller-1] org.apache.tomcat.util.net.NioEndpoint.checkParachute SEVERE:Memory usage is low, parachute is non existent, your system may start failing.
06-Nov-2018 15:00:17.872 SEVERE [http-nio-8080-exec-187] org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun 
 java.lang.OutOfMemoryError: Java heap space
 
06-Nov-2018 15:00:07.008 SEVERE [http-nio-8080-Acceptor-0] org.apache.tomcat.util.net.NioEndpoint$Acceptor.run 
 java.lang.OutOfMemoryError: Java heap space
 
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option PermSize=256m; support was removed in 8.0
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=512m; support was removed in 8.0
06-Nov-2018 15:05:37.862 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server version:        Apache Tomcat/8.0.43

Can anybody please help with this error.

vlimkar's picture
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Joined: Nov 14 2017 - 1:35am
Last seen: 4 months 1 week ago

Posted an answer hope that helps!

JRS-SE - 4 years 4 months ago

Hello. I am having similar issue with Jasper Report Server - java.lang.OutOfMemoryError: Java heap space, on upgrading to Jasper Report 6.5.1.This is making the application completely unresponsive.

The issue occurs at multiple locations and logs provided below. I have set the JVM Heap space to 8GB, but still does not help. Please let me know if you have any solutions. Thanks in advance.

java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:2786)
at java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:94)
at sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:202)
at sun.nio.cs.StreamEncoder.implWrite(StreamEncoder.java:263)
at sun.nio.cs.StreamEncoder.write(StreamEncoder.java:106)
at sun.nio.cs.StreamEncoder.write(StreamEncoder.java:116)
at java.io.OutputStreamWriter.write(OutputStreamWriter.java:203)
at java.io.Writer.write(Writer.java:140)
at net.sf.jasperreports.engine.export.JRHtmlExporter.exportText(JRHtmlExporter.java:1224)
at net.sf.jasperreports.engine.export.JRHtmlExporter.exportGrid(JRHtmlExporter.java:815)
at net.sf.jasperreports.engine.export.JRHtmlExporter.exportPage(JRHtmlExporter.java:730)
at net.sf.jasperreports.engine.export.JRHtmlExporter.exportReportToWriter(JRHtmlExporter.java:679)
at net.sf.jasperreports.engine.export.JRHtmlExporter.exportReport(JRHtmlExporter.java:389)

JBWEB000236: Servlet.service() for servlet STVPdfServlet threw exception: java.lang.OutOfMemoryError
    at java.io.ByteArrayOutputStream.hugeCapacity(ByteArrayOutputStream.java:123) [rt.jar:1.7.0_201]
    at java.io.ByteArrayOutputStream.grow(ByteArrayOutputStream.java:117) [rt.jar:1.7.0_201]
    at java.io.ByteArrayOutputStream.ensureCapacity(ByteArrayOutputStream.java:93) [rt.jar:1.7.0_201]
    at java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:153) [rt.jar:1.7.0_201]
    at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) [rt.jar:1.7.0_201]

ashwinlunkad - 4 years 3 weeks ago

1 Answer:

It looks like your server ran out of Heap space. You can increase the heap size to fix the issue but I would strongly recommend you read this threads 

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