[jira] [Created] (NIFI-7766) Getting initialize class org.apache.nifi.util.text.RegexDateTimeMatcher error in jsontreereader

["Lucas Read (Jira)" <ji...@apache.org>]

Lucas Read created NIFI-7766:
--------------------------------

             Summary: Getting initialize class org.apache.nifi.util.text.RegexDateTimeMatcher error in jsontreereader
                 Key: NIFI-7766
                 URL: https://issues.apache.org/jira/browse/NIFI-7766
             Project: Apache NiFi
          Issue Type: Bug
          Components: Extensions
    Affects Versions: 1.12.0
            Reporter: Lucas Read
         Attachments: nifi-app.log

Setting the date formats in the jsontreereader causes an error. Server time was set for UTC and has since been changed to ETC but the issue still persists. 
{code:java}
Could not initialize class org.apache.nifi.util.text.RegexDateTimeMatcher$Compiler
{code}
{code:java}
    0174-1000-e2c7-552f72fd9f08], versionedComponentId=null, processGroup=StandardProcessGroup[identifier=20fdafa4-0174-1000-7885-3f4547c81e71,name=test], active=true]           Failed to invoke @OnEnabled method due to java.lang.ExceptionInInitializerError: {}
 1098 java.lang.ExceptionInInitializerError: null
 1099   at org.apache.nifi.util.text.DateTimeMatcherCompiler.compile(DateTimeMatcherCompiler.java:25)
 1100   at org.apache.nifi.util.text.DateTimeMatcher.compile(DateTimeMatcher.java:66)
 1101   at org.apache.nifi.schema.inference.TimeValueInference.<init>(TimeValueInference.java:39)
 1102   at org.apache.nifi.json.JsonTreeReader.lambda$getSchemaAccessStrategy$1(JsonTreeReader.java:96)
 1103   at org.apache.nifi.schema.inference.SchemaInferenceUtil.getSchemaAccessStrategy(SchemaInferenceUtil.java:47)
 1104   at org.apache.nifi.json.JsonTreeReader.getSchemaAccessStrategy(JsonTreeReader.java:98)
 1105   at org.apache.nifi.serialization.SchemaRegistryService.storeSchemaAccessStrategy(SchemaRegistryService.java:108)
 1106   at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 1107   at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 1108   at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 1109   at java.base/java.lang.reflect.Method.invoke(Method.java:566)
 1110   at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotations(ReflectionUtils.java:142)
 1111   at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotations(ReflectionUtils.java:130)
 1112   at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotations(ReflectionUtils.java:75)
 1113   at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotation(ReflectionUtils.java:52)
 1114   at org.apache.nifi.controller.service.StandardControllerServiceNode$2.run(StandardControllerServiceNode.java:432)
 1115   at org.apache.nifi.engine.FlowEngine$2.run(FlowEngine.java:110)
 1116   at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
 1117   at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
 1118   at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
 1119   at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
 1120   at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
 1121   at java.base/java.lang.Thread.run(Thread.java:834)
 1122 Caused by: java.lang.NullPointerException: null
 1123   at java.base/java.util.regex.Pattern.quote(Pattern.java:1352)
 1124   at org.apache.nifi.util.text.RegexDateTimeMatcher$Compiler.<clinit>(RegexDateTimeMatcher.java:134)
 1125   ... 23 common frames omitted
{code}



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