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ReferencePipeline$2$1.accept(ReferencePipeline.java:176) #173

Closed sunmingtao closed 4 years ago

sunmingtao commented 4 years ago

When executing jobDetailsList.stream().filter(JobForm::isValid).collect(Collectors.toList()), see error

java.lang.NullPointerException
    at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:176)
    at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1654)
    at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
    at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
    at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)
    at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
sunmingtao commented 4 years ago

The root cause is jobDetailsList contains nothing but null elements, causing collect to fail