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HI i am trying simple example from this official website of stanford CoreNLP example: https://stanfordnlp.github.io/CoreNLP/api.html

***** TokensRegexNERAnnotator ner.fine.regexner: Read 585586 unique entries from 2 files Exception in thread "main" java.lang.OutOfMemoryError: GC overhead limit exceeded at java.util.LinkedHashMap.newNode(Unknown Source) *****

i had tried all solutions available on net, but i am unable to resolve issue i had tried by increasing memory size in eclipse.ini file also tried by putting -Xms1024m in run configuration arguments. I am working on my thesis tool please help me out i am stuck i am using eclipse oxygen and stanford-corenlp-3.9.0

Thanks!

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  • Try first using even more memory. 1GB is not THAT much for NLP, NLP is rather memory-hungry. Commented Mar 5, 2018 at 16:17
  • The memory size in the eclipse.ini is the size Eclipse uses for its own code. When you run a program the memory size is specified in the 'Run Configuration' for the program. Commented Mar 5, 2018 at 16:22
  • ok i am trying wait Commented Mar 5, 2018 at 16:25
  • oh no, by changing to -Xms2048m in run configuration arguments it just process from few more lines but still after few processing got same error Commented Mar 5, 2018 at 16:30
  • TokensRegexNERAnnotator ner.fine.regexner: Read 585586 unique entries from 2 files Adding annotator parse Loading parser from serialized file edu/stanford/nlp/models/lexparser/englishPCFG.ser.gz ... done [0.7 sec]. Adding annotator dcoref Exception in thread "main" java.lang.OutOfMemoryError: GC overhead limit exceeded Commented Mar 5, 2018 at 16:30

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final done by changing to -Xms3056m in run configuration arguments, mean i need more RAM because NLP takes much RAM to execute and compute

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Eclipse is an IDE. It has nothing to do with your problem.

This is a JVM runtime issue.

You need to answer a few questions:

  1. Which version of JDK are you running? JDK 8 eliminated perm gen and added meta space to the memory model.
  2. Are you running a 64 bit JVM?
  3. Have you profiled your app with Visual VM to see what the generations in memory are doing?

You can increase the max heap size beyond 1GB.

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i think i have JDK 8 and 64 bit JVM but can you please tell me how to check these things you are asking for?
Do a Google search and read up on JDK 8 memory configuration: blog.sokolenko.me/2014/11/javavm-options-production.html
final done by changing to -Xms3056m in run configuration arguments, but it hangs my laptop, but it completes task.. hurrryyy but do you know any other solution because my RAM is only 4 GB and if i give 3 GB to program my other work hangs
You need more RAM. Stop everything else that is running on your laptop, including Eclipse. It's a big memory hog. Run outside of Eclipse.

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