Getting following exception while executing command ./encrypt-config.sh -n $NIFI_HOME/conf/nifi.properties -f /opt/nifi/data/flow.xml.gz -s password -x ERROR [main] org.apache.nifi.toolkit.encryptconfig.EncryptConfigMain: java.lang.OutOfMemoryError: Java heap space at java.util.Arrays.copyOf(Arrays.java:3332) at java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:124) at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:596) at java.lang.StringBuilder.append(StringBuilder.java:190) at org.apache.commons.io.output.StringBuilderWriter.write(StringBuilderWriter.java:142) at org.apache.commons.io.IOUtils.copyLarge(IOUtils.java:2538) at org.apache.commons.io.IOUtils.copyLarge(IOUtils.java:2516) at org.apache.commons.io.IOUtils.copy(IOUtils.java:2493) at org.apache.commons.io.IOUtils.copy(IOUtils.java:2441) at org.apache.commons.io.IOUtils.toString(IOUtils.java:1084) at org.apache.commons.io.IOUtils$toString.call(Unknown Source) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:133) at org.apache.nifi.properties.ConfigEncryptionTool$_loadFlowXml_closure3$_closure29.doCall(ConfigEncryptionTool.groovy:666) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)… Read More Getting OutOfMemoryError from Nifi encryptconfig command