[ https://issues.apache.org/jira/browse/BEAM-4034?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Henning Rohde resolved BEAM-4034. --------------------------------- Resolution: Fixed Fix Version/s: 2.5.0 > Hooks panic on flink > -------------------- > > Key: BEAM-4034 > URL: https://issues.apache.org/jira/browse/BEAM-4034 > Project: Beam > Issue Type: Bug > Components: sdk-go > Reporter: Henning Rohde > Assignee: Henning Rohde > Priority: Major > Fix For: 2.5.0 > > Time Spent: 50m > Remaining Estimate: 0h > > It seems the serialized hooks are set only for Dataflow. It should probably > not panic if nothing is set. I see the below on Flink. > $ docker logs 0f5 > 2018/04/09 21:03:48 Initializing Go harness: /opt/apache/beam/boot --id=-123 > --logging_endpoint=docker.for.mac.host.internal:61723 > --artifact_endpoint=docker.for.mac.host.internal:61724 > --provision_endpoint=docker.for.mac.host.internal:61725 > --control_endpoint=docker.for.mac.host.internal:61721 > --semi_persist_dir=/tmp/semi_persistent_dir2198305397089608348 > Worker panic: DeserializeHooks failed on input "": unexpected end of JSON > inputgoroutine 1 [running]: > runtime/debug.Stack(0x4f, 0x0, 0x0) > /usr/local/go/src/runtime/debug/stack.go:24 +0xa7 > runtime/debug.PrintStack() > /usr/local/go/src/runtime/debug/stack.go:16 +0x22 > github.com/apache/beam/sdks/go/pkg/beam/core/runtime/harness/init.hook.func1() > > /Users/herohde/go/src/github.com/apache/beam/sdks/go/pkg/beam/core/runtime/harness/init/init.go:76 > +0xb6 > panic(0xc65060, 0xc4200402a0) > /usr/local/go/src/runtime/panic.go:491 +0x283 > github.com/apache/beam/sdks/go/pkg/beam/core/util/hooks.DeserializeHooksFromOptions() > > /Users/herohde/go/src/github.com/apache/beam/sdks/go/pkg/beam/core/util/hooks/hooks.go:135 > +0x402 > github.com/apache/beam/sdks/go/pkg/beam/core/runtime/harness.Main(0x136dd00, > 0xc420060010, 0x7ffdcfb0dda8, 0x22, 0x7ffdcfb0ddde, 0x22, 0x0, 0x0) > > /Users/herohde/go/src/github.com/apache/beam/sdks/go/pkg/beam/core/runtime/harness/harness.go:41 > +0x4f > github.com/apache/beam/sdks/go/pkg/beam/core/runtime/harness/init.hook() > > /Users/herohde/go/src/github.com/apache/beam/sdks/go/pkg/beam/core/runtime/harness/init/init.go:84 > +0xc1 > github.com/apache/beam/sdks/go/pkg/beam/core/runtime.Init() > > /Users/herohde/go/src/github.com/apache/beam/sdks/go/pkg/beam/core/runtime/init.go:42 > +0x4c > github.com/apache/beam/sdks/go/pkg/beam.Init() > > /Users/herohde/go/src/github.com/apache/beam/sdks/go/pkg/beam/forward.go:63 > +0x20 > main.main() > > /Users/herohde/go/src/github.com/apache/beam/sdks/go/examples/wordcount/wordcount.go:156 > +0x39 > 2018/04/09 21:03:49 User program exited: exit status 2 -- This message was sent by Atlassian JIRA (v7.6.3#76005)