We have enhanced this area in the latest DAS (trunk), and we are now using new SDO APIs. Would you be able to use trunk DAS, or download a nightly build and see if you get better results ?
On 9/5/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > Hi All , > > I found the root cause , because I serialized the DataObject , then > deserialized the DataObject . > The typeHelper was destroied when deserialized the DataObject . > > What was it happended when deserialized the DataObject ? > > How to solve this problem ? Should I back to the DAS M2 ? > > > Leo > > _____ > > 发件人: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > 发送时间: 2007年9月6日 11:49 > 收件人: '[email protected]' > 主题: 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 > > > -- Luciano Resende Apache Tuscany Committer http://people.apache.org/~lresende http://lresende.blogspot.com/
