MikelPan commented on issue #5547:
URL: https://github.com/apache/skywalking/issues/5547#issuecomment-697383795
now chaange as endpoint_500 = from(Endpoint.*).filter(responseCode
>=500).percent();
but error
2020-09-23 13:47:10,389 -
org.apache.skywalking.oap.server.starter.OAPServerBootstrap -4822 [main] ERROR
[] - null
java.lang.NullPointerException: null
at
org.apache.skywalking.oal.rt.parser.DeepAnalysis.analysis(DeepAnalysis.java:119)
~[oal-rt-8.1.0.jar:8.1.0]
at
org.apache.skywalking.oal.rt.parser.OALListener.exitAggregationStatement(OALListener.java:50)
~[oal-rt-8.1.0.jar:8.1.0]
at
org.apache.skywalking.oal.rt.grammar.OALParser$AggregationStatementContext.exitRule(OALParser.java:232)
~[oal-grammar-8.1.0.jar:8.1.0]
at
org.antlr.v4.runtime.tree.ParseTreeWalker.exitRule(ParseTreeWalker.java:47)
~[antlr4-runtime-4.7.1.jar:4.7.1]
at
org.antlr.v4.runtime.tree.ParseTreeWalker.walk(ParseTreeWalker.java:30)
~[antlr4-runtime-4.7.1.jar:4.7.1]
at
org.antlr.v4.runtime.tree.ParseTreeWalker.walk(ParseTreeWalker.java:28)
~[antlr4-runtime-4.7.1.jar:4.7.1]
at
org.apache.skywalking.oal.rt.parser.ScriptParser.parse(ScriptParser.java:66)
~[oal-rt-8.1.0.jar:8.1.0]
at org.apache.skywalking.oal.rt.OALRuntime.start(OALRuntime.java:162)
~[oal-rt-8.1.0.jar:8.1.0]
at
org.apache.skywalking.oap.server.core.oal.rt.OALEngineLoaderService.load(OALEngineLoaderService.java:60)
~[server-core-8.1.0.jar:8.1.0]
at
org.apache.skywalking.oap.server.analyzer.provider.AnalyzerModuleProvider.start(AnalyzerModuleProvider.java:110)
~[agent-analyzer-8.1.0.jar:8.1.0]
at
org.apache.skywalking.oap.server.library.module.BootstrapFlow.start(BootstrapFlow.java:58)
~[library-module-8.1.0.jar:8.1.0]
at
org.apache.skywalking.oap.server.library.module.ModuleManager.init(ModuleManager.java:69)
~[library-module-8.1.0.jar:8.1.0]
at
org.apache.skywalking.oap.server.starter.OAPServerBootstrap.start(OAPServerBootstrap.java:43)
[server-bootstrap-8.1.0.jar:8.1.0]
at
org.apache.skywalking.oap.server.starter.OAPServerStartUp.main(OAPServerStartUp.java:27)
[server-starter-es7-8.1.0.jar:8.1.0]
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