Microsoft Windows [Version 10.0.18363.1440] (c) 2019 Microsoft Corporation. All rights reserved. C:\WINDOWS\system32>cd C:\Users\succhatu\Desktop\7231 C:\Users\succhatu\Desktop\7231>java -version java version "11.0.7" 2020-04-14 LTS Java(TM) SE Runtime Environment 18.9 (build 11.0.7+8-LTS) Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.7+8-LTS, mixed mode) C:\Users\succhatu\Desktop\7231>java -cp common-8.0.1-SNAPSHOT.jar;flightrecorder-8.0.1-SNAPSHOT.jar;flightrecorder.rules-8.0.1-SNAPSHOT.jar;flightrecorder.rules.jdk-8.0.1-SNAPSHOT.jar;com.oracle.jmc.flightrecorder.ext.wls-1.0.0-SNAPSHOT.jar;com.oracle.jmc.flightrecorder.ext.wls.rules-0.0.1-SNAPSHOT.jar;com.oracle.jmc.flightrecorder.ext.wls.parser-0.0.1-SNAPSHOT.jar;org.owasp.encoder_1.2.3.jar;org.lz4.lz4-java_1.7.1.jar org.openjdk.jmc.flightrecorder.rules.report.html.JfrHtmlRulesReport JfrAnalyzer2.jfr Apr 30, 2021 1:28:39 PM org.openjdk.jmc.flightrecorder.rules.report.html.JfrHtmlRulesReport createReport WARNING: Error while evaluating rule "String Deduplication" java.util.concurrent.ExecutionException: java.lang.NullPointerException at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191) at org.openjdk.jmc.flightrecorder.rules.report.html.JfrHtmlRulesReport.createReport(JfrHtmlRulesReport.java:150) at org.openjdk.jmc.flightrecorder.rules.report.html.JfrHtmlRulesReport.createReport(JfrHtmlRulesReport.java:118) at org.openjdk.jmc.flightrecorder.rules.report.html.JfrHtmlRulesReport.main(JfrHtmlRulesReport.java:80) Caused by: java.lang.NullPointerException at org.openjdk.jmc.flightrecorder.rules.jdk.memory.StringDeduplicationRule.getResult(StringDeduplicationRule.java:198) at org.openjdk.jmc.flightrecorder.rules.AbstractRule$1.call(AbstractRule.java:78) at org.openjdk.jmc.flightrecorder.rules.AbstractRule$1.call(AbstractRule.java:75) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at org.openjdk.jmc.flightrecorder.rules.util.RulesToolkit$RuleEvaluator.run(RulesToolkit.java:1237) at java.base/java.lang.Thread.run(Thread.java:834) Apr 30, 2021 1:28:39 PM org.openjdk.jmc.flightrecorder.rules.report.html.JfrHtmlRulesReport createReport WARNING: Error while evaluating rule "GCs Caused by GC Locker" java.util.concurrent.ExecutionException: java.lang.NullPointerException at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191) at org.openjdk.jmc.flightrecorder.rules.report.html.JfrHtmlRulesReport.createReport(JfrHtmlRulesReport.java:150) at org.openjdk.jmc.flightrecorder.rules.report.html.JfrHtmlRulesReport.createReport(JfrHtmlRulesReport.java:118) at org.openjdk.jmc.flightrecorder.rules.report.html.JfrHtmlRulesReport.main(JfrHtmlRulesReport.java:80) Caused by: java.lang.NullPointerException at org.openjdk.jmc.flightrecorder.rules.jdk.memory.GcLockerRule.getResult(GcLockerRule.java:86) at org.openjdk.jmc.flightrecorder.rules.jdk.memory.GcLockerRule.access$000(GcLockerRule.java:66) at org.openjdk.jmc.flightrecorder.rules.jdk.memory.GcLockerRule$1.call(GcLockerRule.java:116) at org.openjdk.jmc.flightrecorder.rules.jdk.memory.GcLockerRule$1.call(GcLockerRule.java:113) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at org.openjdk.jmc.flightrecorder.rules.util.RulesToolkit$RuleEvaluator.run(RulesToolkit.java:1237) at java.base/java.lang.Thread.run(Thread.java:834) Apr 30, 2021 1:28:39 PM org.openjdk.jmc.flightrecorder.rules.report.html.JfrHtmlRulesReport createReport WARNING: Error while evaluating rule "GCs Caused by System.gc()" java.util.concurrent.ExecutionException: java.lang.NullPointerException at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191) at org.openjdk.jmc.flightrecorder.rules.report.html.JfrHtmlRulesReport.createReport(JfrHtmlRulesReport.java:150) at org.openjdk.jmc.flightrecorder.rules.report.html.JfrHtmlRulesReport.createReport(JfrHtmlRulesReport.java:118) at org.openjdk.jmc.flightrecorder.rules.report.html.JfrHtmlRulesReport.main(JfrHtmlRulesReport.java:80) Caused by: java.lang.NullPointerException at org.openjdk.jmc.flightrecorder.rules.jdk.memory.SystemGcRule.getSystemGcResult(SystemGcRule.java:99) at org.openjdk.jmc.flightrecorder.rules.jdk.memory.SystemGcRule.access$000(SystemGcRule.java:66) at org.openjdk.jmc.flightrecorder.rules.jdk.memory.SystemGcRule$1.call(SystemGcRule.java:91) at org.openjdk.jmc.flightrecorder.rules.jdk.memory.SystemGcRule$1.call(SystemGcRule.java:88) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at org.openjdk.jmc.flightrecorder.rules.util.RulesToolkit$RuleEvaluator.run(RulesToolkit.java:1237) at java.base/java.lang.Thread.run(Thread.java:834) Apr 30, 2021 1:28:39 PM org.openjdk.jmc.flightrecorder.rules.report.html.JfrHtmlRulesReport createReport WARNING: Error while evaluating rule "GCs Caused by Heap Inspection" java.util.concurrent.ExecutionException: java.lang.NullPointerException at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191) at org.openjdk.jmc.flightrecorder.rules.report.html.JfrHtmlRulesReport.createReport(JfrHtmlRulesReport.java:150) at org.openjdk.jmc.flightrecorder.rules.report.html.JfrHtmlRulesReport.createReport(JfrHtmlRulesReport.java:118) at org.openjdk.jmc.flightrecorder.rules.report.html.JfrHtmlRulesReport.main(JfrHtmlRulesReport.java:80) Caused by: java.lang.NullPointerException at org.openjdk.jmc.flightrecorder.rules.jdk.memory.HeapInspectionRule.getHeapInspectionResult(HeapInspectionRule.java:101) at org.openjdk.jmc.flightrecorder.rules.jdk.memory.HeapInspectionRule.access$000(HeapInspectionRule.java:66) at org.openjdk.jmc.flightrecorder.rules.jdk.memory.HeapInspectionRule$1.call(HeapInspectionRule.java:92) at org.openjdk.jmc.flightrecorder.rules.jdk.memory.HeapInspectionRule$1.call(HeapInspectionRule.java:89) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at org.openjdk.jmc.flightrecorder.rules.util.RulesToolkit$RuleEvaluator.run(RulesToolkit.java:1237) at java.base/java.lang.Thread.run(Thread.java:834) Apr 30, 2021 1:28:39 PM org.openjdk.jmc.flightrecorder.rules.report.html.JfrHtmlRulesReport createReport WARNING: Error while evaluating rule "GC Stall" java.util.concurrent.ExecutionException: java.lang.NullPointerException at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191) at org.openjdk.jmc.flightrecorder.rules.report.html.JfrHtmlRulesReport.createReport(JfrHtmlRulesReport.java:150) at org.openjdk.jmc.flightrecorder.rules.report.html.JfrHtmlRulesReport.createReport(JfrHtmlRulesReport.java:118) at org.openjdk.jmc.flightrecorder.rules.report.html.JfrHtmlRulesReport.main(JfrHtmlRulesReport.java:80) Caused by: java.lang.NullPointerException at org.openjdk.jmc.flightrecorder.rules.jdk.memory.GcStallRule$1.call(GcStallRule.java:78) at org.openjdk.jmc.flightrecorder.rules.jdk.memory.GcStallRule$1.call(GcStallRule.java:75) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at org.openjdk.jmc.flightrecorder.rules.util.RulesToolkit$RuleEvaluator.run(RulesToolkit.java:1237) at java.base/java.lang.Thread.run(Thread.java:834)