I m using Eclipse Indigo. It becomes unresponsive often and finally prompts saying out of memory error and asks me to exit workbench. I increased the Perm Gen space as told in one of the eclipse forums by editing my eclipse.ini file.
Eclipse.ini file contents now is as below,
-startup
plugins/org.eclipse.equinox.launcher_1.2.0.v20110502.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.1.100.v20110502
-product
org.eclipse.epp.package.jee.product
--launcher.defaultAction
openFile
--launcher.XXMaxPermSize
256M
-showsplash
org.eclipse.platform
--launcher.XXMaxPermSize
256m
--launcher.defaultAction
openFile
-vmargs
-Dosgi.requiredJavaVersion=1.5
-Xms40m
-Xmx512m
-XX:MaxPermSize=256m
-vm C:/Java/jdk1.5.0_15
I mostly do Javascript development in eclipse. And I am not able to edit JS file in eclipse.
What can I do to solve this problem?
Currently maximum only 512MB is allowed for eclipse in your ini (-Xmx512m), if you have enough RAM you shall try increasing it to 1GB. More info here http://wiki.eclipse.org/FAQ_How_do_I_increase_the_heap_size_available_to_Eclipse%3F
This problem may be due to
You are using old java version , You need to upgrade it with new version
If your operation system is 64 bit make sure that you are using 64bit java
Java 5 is pretty old. The GC (and overall optimizations) are slow, outdated and patch level 15 means you're missing many critical bug fixes.
The first step would be to install Java 7 (lastest version). Make sure you disable the browser plugin because of the security risks.
Then make sure that Eclipse uses it: Update the path after -vm. Note: If your path contains spaces, use this:
-vm
c:\Program Files\Java\...
(i.e. put the path into a line of it's own).
Lastly, there are two kinds of memory in Java. Heap and PermGen. The error message tells you which one ran out. Use -Xmx to set heap memory and -XX:MaxPermSize= for PermGen. 256m PermGen should be enough but some script languages need more.
With Java 7, enable GC1 which should give you better performance: -XX:+UseG1GC
Related
I am getting below error while starting eclipse
An internal error occurred during: "Updating indexes".Java heap space?
It was running fine half an hour before.I restarted the eclipse and getting this error now? i have 8 gb ram,window 7 64 bit OS.
i have tried restarting my system but nothing helped?
-startup
plugins/org.eclipse.equinox.launcher_1.1.1.R36x_v20101122_1400.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.1.2.R36x_v20101222
-showsplash
org.eclipse.platform
-showLocation
--launcher.XXMaxPermSize
256m
--launcher.defaultAction
openFile
-product
org.eclipse.epp.package.jee.product
--launcher.defaultAction
openFile
--launcher.XXMaxPermSize
256M
-vm
C:/Program Files (x86)/Java/jdk1.6.0_25/bin/javaw.exe
-vmargs
-Dfile.encoding=UTF-8
-Dosgi.requiredJavaVersion=1.5
-Xms512m
-Xmx1024m
Not sure what i is the issue?
If you have m2e or other Maven plugin installed, you should check if the option at 'Window -> Preferences -> Maven -> Download repository updates index on startup' is enabled. Disable it and see if it resolves out of memory issue.
If you are using eclipse or myeclipse, you can increase memory by making changes in .ini file (myeclipse.ini)
-Xmx2048m
-XX:MaxPermSize=1024m
-XX:ReservedCodeCacheSize=512m
-Dosgi.nls.warnings=ignore
It will solve problem connected with heap space.
Assuming this is a heap space problem, try this FAQ:
Eclipse-Wiki: FAQ How do I increase the heap size available to Eclipse?
This may not be directly related to the question, but this fixed the java heap issues I had:
Launch eclipse using eclipse -vmargs -Xmx2048m.
From the readme included with the eclipse install:
By default, Eclipse will allocate up to 512 megabytes of Java heap
memory. This should be ample for all typical development tasks.
However, depending on the JRE that you are running, the number of
additional plug-ins you are using, and the number of files you will be
working with, you could conceivably have to increase this amount.
Eclipse allows you to pass arguments directly to the Java VM using the
-vmargs command line argument, which must follow all other Eclipse specific arguments. Thus, to increase the available heap memory, you
would typically use:
eclipse -vmargs -Xmx<memory size>
with the value set to greater than "512M" (512 megabytes
-- the default).
Old question, but I got this issue and adding more memory did not solve, so I rebuilt the java index by applying this comment from eclipse bug tracker:
I Quote:
Click in "Quick Access", Type "Rebuild Java Index" (Actually just start typing it, use the auto completion), Hit enter.
This is frustrating. I'm trying to run a program which loads into memory a 4000x3000 image. It runs fine in Ubuntu but not in Mac, throwing an OutOfMemoryError: Java heap space. Here's my eclipse.ini in Ubuntu
-startup
plugins/org.eclipse.equinox.launcher_1.0.201.R35x_v20090715.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.gtk.linux.x86_1.0.200.v20090520
-showsplash
org.eclipse.platform
--launcher.XXMaxPermSize
256m
-vmargs
-Xms128m
-Xmx512m
-Dorg.eclipse.equinox.p2.reconciler.dropins.directory=/usr/share/eclipse/dropins
As for Mac
-startup
../../../plugins/org.eclipse.equinox.launcher_1.2.0.v20110502.jar
--launcher.library
../../../plugins/org.eclipse.equinox.launcher.cocoa.macosx_1.1.100.v20110502
-showsplash
org.eclipse.platform
--launcher.XXMaxPermSize
256m
--launcher.defaultAction
openFile
-vm
/System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Home/bin/java
-vmargs
-Xms128m
-Xmx512m
-Xdock:icon=../Resources/Eclipse.icns
-XstartOnFirstThread
-Dorg.eclipse.swt.internal.carbon.smallFonts
Note that I've tried increasing the PermSize memory Xmx and Xmx of Mac to around 1024m but Mac still throws OutOfMemoryErrors. I only tried making them similar because, well, it runs in Ubuntu just fine.
Any suggestions?
Thanks!
These are your settings for eclipse, not for your program (I'm assuming you're not building it as an Eclipse component). Your program will run with the default settings unless you specify differently in your Run configuration.
The defaults java starts with depend on multile factors, like architecture, OS, and available RAM. So it's entirely possible that it would start with a lower memory limit on your mac.
To fix this, set Xmx to be the same on both systems (Also make sure they're on the same architecture, 64 bit apps might require more memory to do the same thing).
First, your error is about heap space, so changing Perm space isn't going to affect it.
Second, as Joeri pointed out, the eclipse.ini file affects how Eclipse itself runs, not programs that you write and run from inside Eclipse.
On your Launch Configuration, go to the Arguments tab and enter the -Xmx argument in the box labeled VM Arguments.
If you know for certain that you always want all your Launch Configurations to run with certain heap space arguments, you can assign them to the JRE. Open Eclipse Preferences and find Java > Installed JREs. From there, select the JRE that you want to work with, click the Edit button, and there you'll find a Default Vm Arguments field. If you set -Xmx there (or any other JVM arguments), they will affect any Launch Configuration that uses that JRE.
Increase the value of -Xmx parameter
I'm currently developing a tool allowing me to get statistics from anyware simply by going on a website I also created.
For those who don't know, Birt is a reporting tool, and an eclipse plugin.
My problem is the following :
I installed tomcat on the server hosting my website, and installed the Birt ReportEngine on it, and on my website, I call the online viewer to get my reports.
The problem is that since yesterday, when I launch a report, I have this error :
javax.servlet.ServletException: L'exécution de la servlet a lancé une exception
org.eclipse.birt.report.filter.ViewerFilter.doFilter(ViewerFilter.java:68)
Caused by :
java.lang.OutOfMemoryError: PermGen space
I don't really know which config file to modify to avoid this error. I found some examples online that tell to modify the eclipse.ini file, but as for mty website, I don't use eclipse, I didn't found any usefull post.
Can someone help me please ?
Thanks
As said by Thomas, the parameter to set is -XX:MaxPermSize. One way of setting this parameter for Tomcat is to use the CATALINA_OPTS environment variable.
For Windows :
set CATALINA_OPTS=-Xms512m -Xmx512m -XX:MaxPermSize=256m
For Linux (bash) :
export CATALINA_OPTS="-Xms512m -Xmx512m -XX:MaxPermSize=256m"
Check the startup.bat and catalina.bat or startup.sh and catalina.sh files in your tomcat/bin directory and add the above commands there.
(The Xmx and Xms parameters set the minimum and maximum size for the Java heap - where objects are stored. This is not the problem you have but I included them for the sake of completeness.)
You need no add the following line to eclipse.ini
-XX:MaxPermSize=128m
If the problem occurs again try to increase the value. You can also add the following optional lines:
-XX:+UseConcMarkSweepGC
-XX:+CMSClassUnloadingEnabled
-XX:+CMSPermGenSweepingEnabled
-XX:+UseParNewGC
This changes the Garbage Collector of the JVM to a more optimized one, and can also improve the performance and memory usage.
You may also want to tweak the values of the -Xmx and Xms options. Try small increases (same to the -XX:MaxPermSize) as this will increase the memory footprint of your JVM.
For a more explained details see here:
http://www.eclipsezone.com/eclipse/forums/t61618.html
For a complete list of the JVM parameters and options:
http://www.oracle.com/technetwork/java/javase/tech/vmoptions-jsp-140102.html
Use that JVM option: -XX:MaxPermSize=256m (of course you are free to choose the amount of memory, but IIRC the default would be 64m so you'd need to increase that). - Note that this is for Oracle's JVM (formerly SUN's :) ) , other JVM's might have different options.
Other than that, try not hot deploying too much, since that might also increase the PermGen space usage (JBoss which includes Tomcat as has that problem, but I'm not sure whether that is true for a standalone Tomcat).
This can be solved by allocating more heap memory.
this can be done as:
steps:
double click on your eclipse server->open launch configuration->Arguments->paste this line in vm arguments text area:-
-XX:MaxPermSize=512M -Xmx1024M
This will solve your outofmemory error.
I added the below line line to eclipse.ini and working fine for me.
-startup
plugins/org.eclipse.equinox.launcher_1.0.201.R35x_v20090715.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.0.200.v20090519
-product
org.eclipse.epp.package.jee.product
--launcher.defaultAction
openFile
--launcher.XXMaxPermSize
256m
-showsplash
org.eclipse.platform
--launcher.XXMaxPermSize
256m
--launcher.defaultAction
openFile
-vmargs
-Dosgi.requiredJavaVersion=1.5
-Xms40m
-Xmx512m
-XX:MaxPermSize=256m
From yesterday I receive the message: "Failed to create the java virtual machine" in all Java applications in my Windows machine. Maybe I had a virus or something similar. The only advice I found on other sites is to set the heap size to a lower value. The problem is that I have big applications running that requires at least 1024M heap size. Also my machine has 4GB Ram so I think that it isn't a too low memory problem.
Carefully move the current JDK / JRE installation to one side, and install a fresh copy. If it works, you are done. If not, you have eliminated the possibility that this is a corrupted installation.
Another possibility is that this is really a path problem. Can you run java -version from a command prompt? Can you compile and run a Java "hello world" program from the command line?
Yes, in theory it could have had a virus ... or someone could have tinkered with the installation.
There are a few sites listing that error that differentiate between the heap and perm space. If you're running this through eclipse, try removing the default perm space value in the eclipse.ini:
--launcher.XXMaxPermSize
256m
Sun JVM needs contigous memory block. In windows this could a problem due to dll-rebasing. http://www.drdobbs.com/184416272;jsessionid=HJJRNPUURRDIZQE1GHPCKHWATMY32JVN
Is there any thing else changed?
We got similar problem we installed some new applications(guess it was Citrix) on it. A tool we used was from here http://www.codeproject.com/KB/DLL/RebaseDLLs.aspx (download the code and modify)
If it is left to you, then consider moving to 64bit jvm.
Same problem even i was facing when i first started eclipse..
Just change the value of "–launcher.XXMaxPermSize" in eclipse.ini file..
The eclipse.ini file should now look like this:
-startup
plugins/org.eclipse.equinox.launcher_1.1.0.v20100507.jar
–launcher.library
plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.1.0.v20100503
-product
org.eclipse.epp.package.jee.product
–launcher.defaultAction
openFile
–launcher.XXMaxPermSize
–showsplash
org.eclipse.platform
–launcher.XXMaxPermSize
256m
–launcher.defaultAction
openFile
-vmargs
-Dosgi.requiredJavaVersion=1.5
-Xms40m
-Xmx512m
Did you try to reinstall Java? Maybe also update to latest version.
It is because Eclipse cannot find the path of javaw.exe
Just edit "eclipse.ini" file, adding this path:
Open the file and attach following sentences (replacing with your own path if different):
-vm
C:\Program Files\Java\jdk1.7.0_03\bin\javaw.exe
Sample:
-startup
plugins/org.eclipse.equinox.launcher_1.1.0.v20100507.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.1.1.R36x_v20100810
-showsplash
org.eclipse.platform
--launcher.XXMaxPermSize
256m
--launcher.defaultAction
openFile
-vm
C:\Program Files\Java\jdk1.7.0_03\bin\javaw.exe
-vmargs
-Xms40m
-Xmx384m
Changing the before file into:
"-vm C:\Program Files\Java\jdk1.7.0_03\bin\javaw.exe"
solves the problem mentioned earlier
First I had tried to make changes in eclipse.ini file as there was told here, but that did not help.
I simply deleted this .ini file, it helped and Eclipse launched.
My settings for these values in eclipse.ini are:
-Xms768M
-Xmx1024M
When setting them higher, Eclipse doesn't start anymore. Is there a way to increase these values without Eclipse crashing?
The maximum values do not depend on Eclipse, it depends on your OS (and obviously on the physical memory available).
You may want to take a look at this question: Max amount of memory per java process in Windows?
I am guessing you are using a 32 bit eclipse with 32 bit JVM. It wont allow heapsize above what you have specified.
Using a 64-bit Eclipse with a 64-bit JVM helps you to start up eclipse with much larger memory. (I am starting with -Xms1024m -Xmx4000m)
Why do you need -Xms768 (small heap must be at least 768...)?
That means any java process (search in eclipse) will start with 768m memory allocated, doesn't that? That is why your eclipse isn't able to start properly.
Try -Xms16 -Xmx2048m, for instance.
I have tried the following config for eclipse.ini:
org.eclipse.epp.package.jee.product
--launcher.defaultAction
openFile
--launcher.XXMaxPermSize
1024M
-showsplash
org.eclipse.platform
--launcher.XXMaxPermSize
1024m
--launcher.defaultAction
openFile
--launcher.appendVmargs
-vmargs
-Dosgi.requiredJavaVersion=1.6
-Xms128m
-Xmx2048m
Now eclipse performance is about 2 times faster then before.
You can also find a good help ref here: http://help.eclipse.org/indigo/index.jsp?topic=/org.eclipse.platform.doc.isv/reference/misc/runtime-options.html