How to handle outofmemoryerror in Java?

• Java

See English answers > how to deal with "Java. Lang. outofmemoryerror: Java heap space" error (64MB heap size) 17

Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
    at java.util.Arrays.copyOfRange(UnkNown Source)
    at java.lang.String.<init>(UnkNown Source)
    at java.io.BufferedReader.readLine(UnkNown Source)
    at java.io.BufferedReader.readLine(UnkNown Source)
    at org.girs.TopicParser.dump(TopicParser.java:23)
    at org.girs.TopicParser.main(TopicParser.java:59)

What should I do?

Solution

Ideally, refactor your code to reduce memory For example, maybe you can stream output instead of keeping the entire content in memory

Alternatively, simply use the - Xmx option to provide more memory for the JVM

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