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updating for NIHVIVO-3494

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"Add RDF leads to null pointer exception in certain cases". Including check for null to avoid null pointer exception.
This commit is contained in:
hjkhjk54 2011-12-13 19:20:23 +00:00
parent 1a201b9037
commit 02304f6bb8
1 changed files with 28 additions and 25 deletions
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7
webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/JenaModelUtils.java
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@ -91,8 +91,10 @@ public class JenaModelUtils {
ontModel.enterCriticalSection(Lock.READ);
try {
try {
for (Iterator rootClassIt = myWebappDaoFactory.getVClassDao()
.getRootClasses().iterator(); rootClassIt.hasNext(); ) {
List<VClass> rootClasses = myWebappDaoFactory.getVClassDao()
.getRootClasses();
if(rootClasses != null) {
for (Iterator rootClassIt = rootClasses.iterator(); rootClassIt.hasNext(); ) {
VClass rootClass = (VClass) rootClassIt.next();
Individual classGroup = modelForClassgroups.createIndividual(
@ -116,6 +118,7 @@ public class JenaModelUtils {
}
}
}
}
} catch (Exception e) {
String errMsg = "Unable to create class groups automatically " +
"based on class hierarchy";