flowable生成流程图报空指针NPE:org.flowable.image.impl.DefaultProcessDiagramGenerator.initProcessDiagramCanvas

其实系一个须刨

于 2020-11-17 20:04:30 发布

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分类专栏：工作流文章标签：工作流

本文链接：https://blog.youkuaiyun.com/lianggx3/article/details/109751448

按照flowable的官方文档https://tkjohn.github.io/flowable-userguide/，创建好流程模型后，想把当前的流程图打印出来。但是报以下错误

19:55:16.855 [main] DEBUG org.flowable.common.engine.impl.interceptor.LogInterceptor - --- GetBpmnModelCmd finished --------------------------------------------------------
Exception in thread "main" java.lang.NullPointerException
   at org.flowable.image.impl.DefaultProcessDiagramGenerator.initProcessDiagramCanvas(DefaultProcessDiagramGenerator.java:897)
   at org.flowable.image.impl.DefaultProcessDiagramGenerator.generateProcessDiagram(DefaultProcessDiagramGenerator.java:541)
   at org.flowable.image.impl.DefaultProcessDiagramGenerator.generateDiagram(DefaultProcessDiagramGenerator.java:456)
   at Draw.main(Draw.java:86)