NullPointerException at FSMCallerImpl#doCommitted when this.node.getOptions()

[tkalkirill]

Describe the bug

Sometimes error NullPointerException happens at FSMCallerImpl#doCommitted when this.node.getOptions(), here is the stack trace:

java.lang.NullPointerException: null
	at org.apache.ignite.raft.jraft.core.FSMCallerImpl.doCommitted(FSMCallerImpl.java:492)
	at org.apache.ignite.raft.jraft.core.FSMCallerImpl.runApplyTask(FSMCallerImpl.java:382)
	at org.apache.ignite.raft.jraft.core.FSMCallerImpl$ApplyTaskHandler.onEvent(FSMCallerImpl.java:136)
	at org.apache.ignite.raft.jraft.core.FSMCallerImpl$ApplyTaskHandler.onEvent(FSMCallerImpl.java:130)
	at org.apache.ignite.raft.jraft.disruptor.StripedDisruptor$StripeEntryHandler.onEvent(StripedDisruptor.java:226)
	at org.apache.ignite.raft.jraft.disruptor.StripedDisruptor$StripeEntryHandler.onEvent(StripedDisruptor.java:191)
	at com.lmax.disruptor.BatchEventProcessor.run(BatchEventProcessor.java:137)
	at java.lang.Thread.run(Thread.java:834)

Environment

• SOFAJRaft version:
• JVM version (e.g. java -version):
• OS version (e.g. uname -a):
• Maven version:
• IDE version: