zzzming opened a new issue #181: Crash on [email protected]/pulsar/client_impl.go:146 +0x14a URL: https://github.com/apache/pulsar-client-go/issues/181 #### Expected behavior Do not crash #### Actual behavior INFO[70204] Connecting to broker remote_addr="pulsar+ssl://useast1.gcp.pulsarcluster.com:6651" INFO[70204] TCP connection established local_addr="162.177.7.2:50200" remote_addr="pulsar+ssl://useast1.gcp.pulsarcluster.com:6651" INFO[70205] Connection is ready local_addr="162.177.7.2:50200" remote_addr="pulsar+ssl://useast1.gcp.pulsarcluster.com:6651" panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x18 pc=0x84f47a] goroutine 8 [running]: github.com/apache/pulsar-client-go/pulsar.(*client).TopicPartitions(0xc000caf140, 0xc0000261e0, 0x43, 0xc000e05980, 0xc000450c00, 0xc00049d8a8, 0x40d936, 0xc001011860) /go/pkg/mod/github.com/apache/[email protected]/pulsar/client_impl.go:146 +0x14a github.com/apache/pulsar-client-go/pulsar.newProducer(0xc000caf140, 0xc001011860, 0x0, 0xc00049d938, 0x4d0d71) /go/pkg/mod/github.com/apache/[email protected]/pulsar/producer_impl.go:66 +0xc3 github.com/apache/pulsar-client-go/pulsar.(*client).CreateProducer(0xc000caf140, 0xc0000261e0, 0x43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) /go/pkg/mod/github.com/apache/[email protected]/pulsar/client_impl.go:104 +0x78 main.PubSubLatency(0xc0003d4000, 0x186, 0xc0003be090, 0x2b, 0xc0000261e0, 0x43, 0x0, 0x0, 0x0) /root/src/pulsar-latency.go:58 +0x11b #### Steps to reproduce A Go client to create a producer and a consumer that sends and receives a message , then close both producer and consumer every two minutes in a loop. The client is only created once in the bootstrap. The crash signature described above can be seen within 24 hours. #### System configuration Pulsar-client-go version commit - 6943327c9690c126fc94bf3249b23a6e316d0e7f go mod dep - github.com/apache/pulsar-client-go v0.0.0-20200129234600-6943327c9690 **Pulsar version**: 2.4.2
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