Caused by: java.lang.NullPointerException: Cannot invoke method replace() on null object

[amavashev]

$fieldValue.replace("@", "_") i get error; 2018-06-19 10:25:25,401 WARN [21:StreamBoundedExecutorThread-3!ActivityXmlParser] - Failed to transform locator '/${Direct on}/file' value: 'null' | WARNING | 2018-06-19 14:25:25.401000 UTC | RUNTIME=21592@IRGUN-PC#SERVER=IRGUN-PC#NETADDR=11.0.0. 36#DATACENTER=UNKNOWN#GEOADDR=0,0 com.jkoolcloud.tnt4j.streams.transform.TransformationException: Failed to apply transformation 'DiffTransform' at com.jkoolcloud.tnt4j.streams.transform.GroovyTransformation.transform(GroovyTransformation.java:70) at com.jkoolcloud.tnt4j.streams.fields.AbstractFieldEntity.transformValue(AbstractFieldEntity.java:140) at com.jkoolcloud.tnt4j.streams.parsers.GenericActivityParser.getLocatorValue(GenericActivityParser.java:742) at com.jkoolcloud.tnt4j.streams.parsers.GenericActivityParser.parseLocatorValues(GenericActivityParser.java:657) at com.jkoolcloud.tnt4j.streams.parsers.ActivityXmlParser.parsePreparedItem(ActivityXmlParser.java:299) at com.jkoolcloud.tnt4j.streams.parsers.GenericActivityParser.parse(GenericActivityParser.java:360) at com.jkoolcloud.tnt4j.streams.parsers.ActivityParser.applyStackedParser(ActivityParser.java:168) at com.jkoolcloud.tnt4j.streams.parsers.ActivityParser.applyFieldValue(ActivityParser.java:156) at com.jkoolcloud.tnt4j.streams.parsers.GenericActivityParser.applyDynamicValue(GenericActivityParser.java:587) at com.jkoolcloud.tnt4j.streams.parsers.GenericActivityParser.applyFieldValue(GenericActivityParser.java:520) at com.jkoolcloud.tnt4j.streams.parsers.ActivityXmlParser.parsePreparedItem(ActivityXmlParser.java:316) at com.jkoolcloud.tnt4j.streams.parsers.GenericActivityParser.parse(GenericActivityParser.java:360) at com.jkoolcloud.tnt4j.streams.inputs.TNTParseableInputStream.applyParsers(TNTParseableInputStream.java:208) at com.jkoolcloud.tnt4j.streams.inputs.TNTParseableInputStream.applyParsers(TNTParseableInputStream.java:183) at com.jkoolcloud.tnt4j.streams.inputs.TNTParseableInputStream.makeActivityInfo(TNTParseableInputStream.java:276) at com.jkoolcloud.tnt4j.streams.inputs.TNTParseableInputStream.processActivityItem(TNTParseableInputStream.java:298

    at com.jkoolcloud.tnt4j.streams.inputs.TNTInputStream$ActivityItemProcessingTask.run(TNTInputStream.java:1057)
    at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
    at java.util.concurrent.FutureTask.run(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)

Caused by: java.lang.NullPointerException: Cannot invoke method replace() on null object
at org.codehaus.groovy.runtime.NullObject.invokeMethod(NullObject.java:91)
at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:48)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
at org.codehaus.groovy.runtime.callsite.NullCallSite.call(NullCallSite.java:35)
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 DiffTransform.run(DiffTransform:1)
at groovy.lang.GroovyShell.evaluate(GroovyShell.java:585)
at groovy.lang.GroovyShell.evaluate(GroovyShell.java:623)
at groovy.lang.GroovyShell.evaluate(GroovyShell.java:604)
at com.jkoolcloud.tnt4j.streams.transform.GroovyTransformation.transform(GroovyTransformation.java:67)
... 21 more

[kausandr]

Add null check, or use StringUtils.replace($fieldValue, "@", "_")