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  1. ,
    via oracle.com by Unknown author

    An easy way to solve OutOfMemoryError in java is to increase the maximum heap size by using JVM options -Xmx512M, this will immediately solve your OutOfMemoryError.

  2. ,
    via Stack Overflow by Eugene Yokota

    In Eclipse : go to Run --> Run Configurations --> then select the project under maven build --> then select the tab "JRE" --> then enter -Xmx1024m.

    This should increase the memory heap for all the builds/projects. The above memory size is 1 GB.

java.lang.OutOfMemoryError: Java heap space	at java.util.Arrays.copyOf(Arrays.java:3332)	at java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:137)	at java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:121)	at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:421)	at java.lang.StringBuilder.append(StringBuilder.java:136)	at java.lang.StringBuilder.append(StringBuilder.java:76)	at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:457)	at java.lang.StringBuilder.append(StringBuilder.java:166)	at java.lang.StringBuilder.append(StringBuilder.java:76)	at java.util.Formatter$FormatSpecifier.print(Formatter.java:2913)	at java.util.Formatter$FormatSpecifier.printString(Formatter.java:2886)	at java.util.Formatter$FormatSpecifier.print(Formatter.java:2763)	at java.util.Formatter.format(Formatter.java:2520)	at java.util.Formatter.format(Formatter.java:2455)	at org.elasticsearch.common.inject.internal.Errors.format(Errors.java:491)	at org.elasticsearch.common.inject.CreationException.getMessage(CreationException.java:55)	at com.google.inject.internal.Errors$ThrowableEquivalence.doEquivalent(Errors.java:894)	at com.google.inject.internal.Errors$ThrowableEquivalence.doEquivalent(Errors.java:889)	at com.google.common.base.Equivalence.equivalent(Equivalence.java:73)	at com.google.inject.internal.Errors.getOnlyCause(Errors.java:676)	at com.google.inject.ProvisionException.(ProvisionException.java:42)	at com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:52)	at com.google.inject.internal.SingletonScope$1.get(SingletonScope.java:194)	at com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:41)	at com.google.inject.internal.SingleParameterInjector.inject(SingleParameterInjector.java:38)	at com.google.inject.internal.SingleParameterInjector.getAll(SingleParameterInjector.java:62)	at com.google.inject.internal.ConstructorInjector.provision(ConstructorInjector.java:110)	at com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:90)	at com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:268)	at com.google.inject.internal.SingleParameterInjector.inject(SingleParameterInjector.java:38)	at com.google.inject.internal.SingleParameterInjector.getAll(SingleParameterInjector.java:62)	at com.google.inject.internal.ConstructorInjector.provision(ConstructorInjector.java:110)