Solve the problem of reporting null pointer exceptions

2020-02-11 07:29:40.575 - INFO 1 ---
[nio-8080-exec-6] : >>>Start delivering messages to [Export Data Queue]<<<
2020-02-11 07:29:40.592 - INFO 1 ---
[nio-8080-exec-6] : >>>Send message to [Export Data Queue] Completed <<<
2020-02-11 07:29:40.619 - INFO 1 ---
[cTaskExecutor-1]            : >>>>>>> The message that exported data is successfully received, the message parameters are: {"formId":1219112740443000874,"process":{"creator":1189805389533810109,"deleted":false,"description":"start processing","editor":1189805389533810109,"id":122713257791626035 2,"state":"Processing","tenantId":1197018942024060928},"grantId":1189805389533810109,"processId":1227132577916260352,"tenantId":1197018942024060928,"dataIds":"[\"1224868133840490496\"]"}<<<<
2020-02-11 07:29:40.619 - INFO 1 ---
[cTaskExecutor-1]             : >>>>> Start parsing parameters <<<<
2020-02-11 07:29:40.620 - INFO 1 ---
[cTaskExecutor-1]            : >>>>> End of parsing parameters<<<<
2020-02-11 07:29:44.439 - INFO 1 ---
[cTaskExecutor-1]            : >>>>>>> The message that exported data is successfully received, the message parameters are: {"formId":1219112740443000874,"process":{"creator":1189805389533810109,"deleted":false,"description":"start processing","editor":1189805389533810109,"id":122713257791626035 2,"state":"Processing","tenantId":1197018942024060928},"grantId":1189805389533810109,"processId":1227132577916260352,"tenantId":1197018942024060928,"dataIds":"[\"1224868133840490496\"]"}<<<<
2020-02-11 07:29:44.440 - INFO 1 ---
[cTaskExecutor-1]             : >>>>> Start parsing parameters <<<<
2020-02-11 07:29:44.441 - INFO 1 ---
[cTaskExecutor-1]            : >>>>> End of parsing parameters<<<<
2020-02-11 07:29:47.553 - INFO 1 ---
[cTaskExecutor-1]            : >>>>>>> The message that exported data is successfully received, the message parameters are: {"formId":1219112740443000874,"process":{"creator":1189805389533810109,"deleted":false,"description":"start processing","editor":1189805389533810109,"id":122713257791626035 2,"state":"Processing","tenantId":1197018942024060928},"grantId":1189805389533810109,"processId":1227132577916260352,"tenantId":1197018942024060928,"dataIds":"[\"1224868133840490496\"]"}<<<<
2020-02-11 07:29:47.554 - INFO 1 ---
[cTaskExecutor-1]             : >>>>> Start parsing parameters <<<<
2020-02-11 07:29:47.554 - INFO 1 ---
[cTaskExecutor-1]            : >>>>> End of parsing parameters<<<<
2020-02-11 07:29:50.677 - INFO 1 ---
[cTaskExecutor-1]            : >>>>>>> The message that exported data is successfully received, the message parameters are: {"formId":1219112740443000874,"process":{"creator":1189805389533810109,"deleted":false,"description":"start processing","editor":1189805389533810109,"id":122713257791626035 2,"state":"Processing","tenantId":1197018942024060928},"grantId":1189805389533810109,"processId":1227132577916260352,"tenantId":1197018942024060928,"dataIds":"[\"1224868133840490496\"]"}<<<<
2020-02-11 07:29:50.678 - INFO 1 ---
[cTaskExecutor-1]             : >>>>> Start parsing parameters <<<<
2020-02-11 07:29:50.678 - INFO 1 ---
[cTaskExecutor-1]            : >>>>> End of parsing parameters<<<<
2020-02-11 07:29:53.780 - INFO 1 ---
[cTaskExecutor-1]            : >>>>>>> The message that exported data is successfully received, the message parameters are: {"formId":1219112740443000874,"process":{"creator":1189805389533810109,"deleted":false,"description":"start processing","editor":1189805389533810109,"id":122713257791626035 2,"state":"Processing","tenantId":1197018942024060928},"grantId":1189805389533810109,"processId":1227132577916260352,"tenantId":1197018942024060928,"dataIds":"[\"1224868133840490496\"]"}<<<<
2020-02-11 07:29:53.780 - INFO 1 ---
[cTaskExecutor-1]             : >>>>> Start parsing parameters <<<<
2020-02-11 07:29:53.780 - INFO 1 ---
[cTaskExecutor-1]            : >>>>> End of parsing parameters<<<<
2020-02-11 07:29:53.965 - WARN 1 ---
                [cTaskExecutor-1]  : Retries exhausted for message (Body:'[B@7dedff15(byte[753])' MessageProperties [headers={}, contentType=application/x-java-serialized-object, contentLength=0, receivedDeliveryMode=PERSISTENT, priority=0, redelivered=false, receivedExchange=template_exchange, receivedRoutingKey=, deliveryTag=1, consumerTag=-80yarAv96_cA3nDTsNz8Hw, consumerQueue=template_exportData])
: Listener method 'public void ()' threw exception
    at (:196)
    at (:126)
    at (:1414)
    at (:1337)
    at .invoke0(Native Method)
    at (:62)
    at (:43)
    at (:498)
    at (:343)
    at (:197)
    at (:163)
    at $(:91)
    at (:287)
    at (:180)
    at (:115)
    at (:185)
    at (:212)
    at .$(Unknown Source)
    at (:1324)
    at (:1303)
    at (:817)
    at (:801)
    at $700(:77)
    at $(:1042)
    at (:748)
Caused by: : null
    at (:1264)
    at (:219)
    at (:107)
    at .(:774)
    at $(:431)
    at (Native Method)
    at .<init>(:376)
    at .<init>(:35)
    at .X11FontManager.<init>(:57)
    at .newInstance0(Native Method)
    at (:62)
    at (:45)
    at (:423)
    at (:442)
    at $(:83)
    at (Native Method)
    at (:74)
    at .getFont2D(:491)
    at (:2060)
    at (:470)
    at .<init>(:531)
    at (:275)
    at .<init>(:117)
    at .<init>(:82)
    at (:658)
    at (:679)
    at (:90)
    at (:51)
    at (:112)
    at (:69)
    at .write1(:106)
    at (:311)
    at (:131)
    at (:90)
    at .invoke0(Native Method)
    at (:62)
    at (:43)
    at (:498)
    at (:181)
    at (:114)
    at (:128)
    at (:61)
    at (:188)
    ... 24 common frames omitted
2020-02-11 07:29:53.966 - WARN 1 ---
                [cTaskExecutor-1] : Execution of Rabbit message listener failed.