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Posted to user@tuscany.apache.org by Li...@Foresee.com.cn on 2007/09/06 05:49:26 UTC

NullPointException error in DAS Beta 1.0

Hi All , 
 
   I run my test example in DAS beta 1.0 , it will run ok at first time , 
and then run at second time was report a NullPointException , error info as
follow :
 
The line is 
Type root = SDOUtil.createType(typeHelper, getDefaultURI(), "DataGraphRoot",
false);
 
Caused by: java.lang.NullPointerException
 at
org.apache.tuscany.das.rdb.graphbuilder.impl.GraphBuilderMetadata.createDyna
micTypes(GraphBuilderMetadata.java:124)
 at
org.apache.tuscany.das.rdb.graphbuilder.impl.GraphBuilderMetadata.getRootTyp
e(GraphBuilderMetadata.java:91)
 at
org.apache.tuscany.das.rdb.impl.ReadCommandImpl.buildGraph(ReadCommandImpl.j
ava:88)
 at
org.apache.tuscany.das.rdb.impl.ReadCommandImpl.executeQuery(ReadCommandImpl
.java:63)
 at
com.foresee.spiderweb.dataadapter.db.DasServiceImpl.execute(DasServiceImpl.j
ava:321)
 ... 24 more

Why is it  ?  My test example could run correctly in M2.
 
 
Leo