Hi, i am using skywalking-5.0.0-RC2, and encounter a little bug in class
AlarmService. Here is the exception:
`java.lang.NullPointerException: null
at
org.apache.skywalking.apm.collector.ui.service.AlarmService.buildServerName(AlarmService.java:178)
~[collector-ui-jetty-provider-5.0.0-RC2.jar:5.0.0-RC2]
at
org.apache.skywalking.apm.collector.ui.service.AlarmService.lambda$loadInstanceAlarmList$3(AlarmService.java:114)
~[collector-ui-jetty-provider-5.0.0-RC2.jar:5.0.0-RC2]
at java.lang.Iterable.forEach(Iterable.java:75) ~[?:1.8.0_172]
at
org.apache.skywalking.apm.collector.ui.service.AlarmService.loadInstanceAlarmList(AlarmService.java:111)
~[collector-ui-jetty-provider-5.0.0-RC2.jar:5.0.0-RC2]
at
org.apache.skywalking.apm.collector.ui.query.AlarmQuery.loadAlarmList(AlarmQuery.java:61)
~[collector-ui-jetty-provider-5.0.0-RC2.jar:5.0.0-RC2]
at
org.apache.skywalking.apm.collector.ui.query.AlarmQueryMethodAccess.invoke(Unknown
Source) ~[reflectasm-1.11.3.jar:5.0.0-RC2]
at
com.coxautodev.graphql.tools.MethodFieldResolverDataFetcher.get(MethodFieldResolver.kt:132)
~[graphql-java-tools-4.3.0.jar:?]
at
graphql.execution.ExecutionStrategy.fetchField(ExecutionStrategy.java:219)
[graphql-java-6.0.jar:?]
at
graphql.execution.ExecutionStrategy.resolveField(ExecutionStrategy.java:165)
[graphql-java-6.0.jar:?]
at
graphql.execution.AsyncExecutionStrategy.execute(AsyncExecutionStrategy.java:55)
[graphql-java-6.0.jar:?]
at graphql.execution.Execution.executeOperation(Execution.java:154)
[graphql-java-6.0.jar:?]
at graphql.execution.Execution.execute(Execution.java:98)
[graphql-java-6.0.jar:?]
at graphql.GraphQL.execute(GraphQL.java:546) [graphql-java-6.0.jar:?]
at graphql.GraphQL.parseValidateAndExecute(GraphQL.java:488)
[graphql-java-6.0.jar:?]
at graphql.GraphQL.executeAsync(GraphQL.java:463)
[graphql-java-6.0.jar:?]
at graphql.GraphQL.execute(GraphQL.java:394) [graphql-java-6.0.jar:?]
at
org.apache.skywalking.apm.collector.ui.jetty.handler.GraphQLHandler.execute(GraphQLHandler.java:100)
[collector-ui-jetty-provider-5.0.0-RC2.jar:5.0.0-RC2]
at
org.apache.skywalking.apm.collector.ui.jetty.handler.GraphQLHandler.doPost(GraphQLHandler.java:93)
[collector-ui-jetty-provider-5.0.0-RC2.jar:5.0.0-RC2]
at
org.apache.skywalking.apm.collector.server.jetty.JettyJsonHandler.doPost(JettyJsonHandler.java:61)
[server-component-5.0.0-RC2.jar:5.0.0-RC2]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
[javax.servlet-api-3.1.0.jar:3.1.0]`
This bug make server label in Alarm List page unavailable. I have fixed
that.But the latested code which i forked doesn't contain that class, so i am a
little confused whether i should report things like this?
[ Full content available at:
https://github.com/apache/incubator-skywalking/issues/1715 ]
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