i meet java.lang.OutOfMemoryError: Direct buffer memory

[f cad]

hello,
in my ignite cluster.i meet error below:
JVM will be halted immediately due to the failure:
[failureCtx=FailureContext [type=CRITICAL_ERROR,
err=java.lang.OutOfMemoryError: Direct buffer memory]].
how can i fix.
ignite version is 2.14