为什么映射节点会得到java.lang.RuntimeException

Question

我使用的是Message Broker 8和MQ 7。当我尝试在消息流中使用映射节点时，我会得到java.lang.RuntimeException.

以下是事件查看器显示的内容：

( BROKER8.default ) The map script generation for QName ''{practica}:CambioFecha'' has failed, with the following details: ''java.lang.RuntimeException: ''.   
The generation of the map has failed.   
Review and resolve the problems indicated in the message from the map generation.

完整的异常堆栈是：

ExceptionList: ( ['MQROOT' : 0xe052600]
(0x01000000:Name):RecoverableException = (
(0x03000000:NameValue):File                 = 'F:buildS000_PsrcDataFlowEnginePluginInterfaceImbJniNode.cpp' (CHARACTER)
(0x03000000:NameValue):Line                 = 1170 (INTEGER)
(0x03000000:NameValue):Function             = 'ImbJniNode::evaluate' (CHARACTER)
(0x03000000:NameValue):Type                 = 'ComIbmMSLMappingNode' (CHARACTER)
(0x03000000:NameValue):Name                 = 'practica/DATAGRAMA#FCMComposite_1_7' (CHARACTER)
(0x03000000:NameValue):Label                = 'practica.DATAGRAMA.Cambio Formato Fecha' (CHARACTER)
(0x03000000:NameValue):Catalog              = 'BIPmsgs' (CHARACTER)
(0x03000000:NameValue):Severity             = 3 (INTEGER)
(0x03000000:NameValue):Number               = 2230 (INTEGER)
(0x03000000:NameValue):Text                 = 'Caught exception and rethrowing' (CHARACTER)
(0x01000000:Name     ):RecoverableException = (
(0x03000000:NameValue):File                 = 'MbErrorHandler.java' (CHARACTER)
(0x03000000:NameValue):Line                 = 146 (INTEGER)
(0x03000000:NameValue):Function             = 'evaluate' (CHARACTER)
(0x03000000:NameValue):Type                 = '' (CHARACTER)
(0x03000000:NameValue):Name                 = '' (CHARACTER)
(0x03000000:NameValue):Label                = '' (CHARACTER)
(0x03000000:NameValue):Catalog              = 'BIPmsgs' (CHARACTER)
(0x03000000:NameValue):Severity             = 3 (INTEGER)
(0x03000000:NameValue):Number               = 3946 (INTEGER)
(0x03000000:NameValue):Text                 = 'Caught BrokerXCIStaticException' (CHARACTER)
(0x01000000:Name     ):Insert               = (
(0x03000000:NameValue):Type = 5 (INTEGER)
(0x03000000:NameValue):Text = '{practica}:CambioFecha' (CHARACTER)
)
(0x01000000:Name     ):Insert               = (
(0x03000000:NameValue):Type = 5 (INTEGER)
(0x03000000:NameValue):Text = 'java.lang.RuntimeException: ' (CHARACTER)
)
(0x01000000:Name     ):RecoverableException = (
(0x03000000:NameValue):File     = 'MbErrorHandler.java' (CHARACTER)
(0x03000000:NameValue):Line     = 310 (INTEGER)
(0x03000000:NameValue):Function = 'throwableToMbException' (CHARACTER)
(0x03000000:NameValue):Type     = '' (CHARACTER)
(0x03000000:NameValue):Name     = '' (CHARACTER)
(0x03000000:NameValue):Label    = '' (CHARACTER)
(0x03000000:NameValue):Catalog  = 'BIPmsgs' (CHARACTER)
(0x03000000:NameValue):Severity = 3 (INTEGER)
(0x03000000:NameValue):Number   = 3949 (INTEGER)
(0x03000000:NameValue):Text     = 'Caught BrokerXCIStaticException' (CHARACTER)
(0x01000000:Name     ):Insert   = (
(0x03000000:NameValue):Type = 5 (INTEGER)
(0x03000000:NameValue):Text = 'java.lang.RuntimeException: 
' (CHARACTER)
)
)
)
)
)

整个消息流运行良好。所以，我认为这不是映射节点的错误。另一个细节是，在其他流中，映射节点根本不起作用，并给出相同的错误。我不知道问题出在哪里。可能是JRE错误？

知道吗？

谢谢！

Josué

Answer 1

这很可能是由于64位机器上的Java堆很大，因为所有引用都大4个字节。为了让它发挥作用，你可以简单地在32位代理上运行它，或者尝试以下任何一种方法-

1. 使用Xcompressedrefs(关于它的解释在这里-

http://publib.boulder.ibm.com/infocenter/javasdk/v6r0/index.jsp?topic=%2Fcom.ibm.java.doc.diagnostics.60%2Fdiag%2Funderstanding%2Fmm_compressed_references.html)

a) 在代理提示中执行以下命令

mqsichangeproperties--代理名称--e--EG名称--oComIbmJVMManager-n jvm SystemProperty-v\"-Xcompressedrefs\">

b)验证JVM选项是否已成功应用

mqsireportproperties--代理名称--e--EG名称--oComIbmJVMManager-n jvm系统属性

系统应显示-

-X压缩数据

c) 重新启动执行组

1. 增加JVM内存，默认为256MBa) 执行以下命令

mqsichangeproperties--代理名称--e--EG名称--oComIbmJVMManager-n jvm MaxHeapSize-v 536870912

b)验证JVM选项是否已成功应用

mqsireportproperties--代理名称--e--EG名称--oComIbmJVMManager-n jvm最大堆大小

c)重新启动执行组

希望这能帮助