Hi, everyone. I tried to get the PhysicalPlan from zookeeper using the
following codes:
```
String stateMgrClass = Context.stateManagerClass(this.config);
IStateManager stateManager = null;
stateManager = ReflectionUtils.newInstance(stateMgrClass);
stateManager.initialize(this.config);
SchedulerStateManagerAdaptor stateManagerAdaptor = new
SchedulerStateManagerAdaptor(stateManager, 5000);
PhysicalPlans.PhysicalPlan physicalPlan =
stateManagerAdaptor.getPhysicalPlan(this.topologyName);
```
And then the exceptiion: java.lang.VerifyError: Bad type on operand stack
happened:
```
Exception in thread "Thread-4" java.lang.VerifyError: Bad type on operand stack
Exception Details:
Location:
com/twitter/heron/proto/system/PhysicalPlans$PhysicalPlan$Builder.getTopologyFieldBuilder()Lcom/google/protobuf/SingleFieldBuilderV3;
@24: invokespecial
Reason:
Type 'com/twitter/heron/api/generated/TopologyAPI$Topology' (current frame,
stack[3]) is not assignable to 'com/google/protobuf/AbstractMessage'
Current Frame:
bci: @24
flags: { }
locals: {
'com/twitter/heron/proto/system/PhysicalPlans$PhysicalPlan$Builder' }
stack: {
'com/twitter/heron/proto/system/PhysicalPlans$PhysicalPlan$Builder',
uninitialized 8, uninitialized 8,
'com/twitter/heron/api/generated/TopologyAPI$Topology',
'com/google/protobuf/GeneratedMessageV3$BuilderParent', integer }
Bytecode:
0x0000000: 2ab4 0014 c700 1f2a bb00 5d59 2ab6 0042
0x0000010: 2ab6 005e 2ab6 005f b700 60b5 0014 2a01
0x0000020: b500 092a b400 14b0
Stackmap Table:
same_frame(@35)
at
com.twitter.heron.proto.system.PhysicalPlans$PhysicalPlan.toBuilder(PhysicalPlans.java:4211)
at
com.twitter.heron.proto.system.PhysicalPlans$PhysicalPlan.newBuilder(PhysicalPlans.java:4204)
at
com.twitter.heron.statemgr.FileSystemStateManager.getPhysicalPlan(FileSystemStateManager.java:165)
at
com.twitter.heron.spi.statemgr.SchedulerStateManagerAdaptor.getPhysicalPlan(SchedulerStateManagerAdaptor.java:289)
```
Any suggestions about how to solve this problem will helpful. Thanks.
[ Full content available at:
https://github.com/apache/incubator-heron/issues/3033 ]
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