whaon commented on issue #7108:
URL:
https://github.com/apache/incubator-seata/issues/7108#issuecomment-3257426827
the same question
```
java.lang.NullPointerException: Cannot invoke
"io.seata.saga.engine.StateMachineEngine.reloadStateMachineInstance(String)"
because the return value of
"io.seata.saga.rm.StateMachineEngineHolder.getStateMachineEngine()" is null
at
io.seata.saga.rm.SagaResourceManager.branchRollback(SagaResourceManager.java:135)
~[seata-all-2.5.0.jar:2.5.0]
at
org.apache.seata.rm.AbstractRMHandler.doBranchRollback(AbstractRMHandler.java:131)
~[seata-all-2.5.0.jar:2.5.0]
at
org.apache.seata.rm.AbstractRMHandler$2.execute(AbstractRMHandler.java:71)
~[seata-all-2.5.0.jar:2.5.0]
```
beacause the org.apache.seata.rm.AbstractRMHandler.doBranchRollback called
io.seata.saga.rm.SagaResourceManager.branchRollback
the package is different
some pics when debug:
<img width="1239" height="291" alt="Image"
src="https://github.com/user-attachments/assets/8541c5a1-4671-4587-aefe-20f0c91ca3db";
/>
<img width="1227" height="475" alt="Image"
src="https://github.com/user-attachments/assets/945f8d7a-47d3-4379-8a52-e1d93d6a5074";
/>
<img width="1794" height="582" alt="Image"
src="https://github.com/user-attachments/assets/3f7e0c12-2272-40bb-89ff-ae58bec16829";
/>
<img width="1600" height="517" alt="Image"
src="https://github.com/user-attachments/assets/2d2d35cb-0d7a-4ef9-aeb3-cc5a657f0956";
/>
the class in org.apache.seata is covered by the class in io.seata.saga
as above, the saga mode and the tcc mode have the same problem
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