【电子回单】广发银行电子回单下载失败，失败原因：失败流程节点-下载前预处理中：null...

问题描述：

        客户的回单程序安装包是2022.4.21发布的版本，如下图所示，广发银行电子回单任务失败，失败原因：失败流程节点-下载前预处理中：null...

        查看回单日志ebgproxy.log，显示有空指针：

2022-10-11 08:56:00.362  INFO [GDB_DC,,1573341421157482496] 12124 --- [pool-2-thread-80] c.k.b.bank.gdb.dc.job.GdbDcFetchListJob : 准备调用0095接口获取回单

2022-10-11 08:56:00.362  INFO [GDB_DC,,1573341421157482496] 12124 --- [pool-2-thread-80] c.k.b.bank.gdb.dc.job.GdbDcFetchListJob : 类实例化

2022-10-11 08:56:00.363  INFO [GDB_DC,,1573341421157482496] 12124 --- [pool-2-thread-80] c.k.b.bank.gdb.dc.GdbUtils.Receipt0095  : temp路径 = D:/cib_receipt\tempPath\GDB_DC\,0095接口获取的pdf文件直接存放在这个文件夹里

2022-10-11 08:56:00.363  INFO [GDB_DC,,1573341421157482496] 12124 --- [pool-2-thread-80] c.k.b.r.r.atom.AbstractReceiptListFlow  : 执行获取列表过程发生异常。

java.lang.NullPointerException: null

at com.kingdee.bos.bank.gdb.dc.GdbUtils.Receipt0095.getReceiptNo(Receipt0095.java:87)

at com.kingdee.bos.bank.gdb.dc.GdbUtils.Receipt0095.downloadReceipt(Receipt0095.java:46)

at com.kingdee.bos.bank.gdb.dc.job.GdbDcFetchListJob.doJob(GdbDcFetchListJob.java:132)

at com.kingdee.bos.receiptmanage.receipt.atom.AbstractReceiptListFlow.doTask(AbstractReceiptListFlow.java:138)

at com.kingdee.bos.receiptmanage.receipt.atom.AbstractReceiptListFlow$MyTask.run(AbstractReceiptListFlow.java:334)

at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)

at java.util.concurrent.FutureTask.run(Unknown Source)

at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

分析解答：

        查看空指针出的代码，如下，获取不到回单任务的信息。

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