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From "Daniel John Debrunner (JIRA)" <derby-...@db.apache.org>
Subject [jira] Created: (DERBY-656) SecurityException with accessDeclaredMembers on DatabaseMetaData.getTables.
Date Thu, 27 Oct 2005 17:09:55 GMT
SecurityException with accessDeclaredMembers on DatabaseMetaData.getTables.
---------------------------------------------------------------------------

         Key: DERBY-656
         URL: http://issues.apache.org/jira/browse/DERBY-656
     Project: Derby
        Type: Bug
  Components: Security  
    Versions: 10.1.1.0    
    Reporter: Daniel John Debrunner
 Assigned to: Daniel John Debrunner 


The code to determine the size of a class is using getDeclaredMembers which requires the permission
accessDeclaredMembers. Ideally should not require to grant this permission to derby.jar. Need
to see which
class's size was being calculated.  The code is not in a priv block which would require granting
the  permission all the way up the stack.

Maybe if the class's declared memebrs can not be accessed and the value can not be pre-calculkated
then some estimate could be made. (using public fields?).

java.security.AccessControlException: Access denied 
(java.lang.RuntimePermission accessDeclaredMembers)
       at 
java.security.AccessController.checkPermission(AccessController.
java:107)
       at 
java.lang.SecurityManager.checkPermission(SecurityManager.java:5
47)
       at 
com.ibm.ws.security.core.SecurityManager.checkPermission(Securit
yManager.java:188)
       at 
java.lang.SecurityManager.checkMemberAccess(SecurityManager.java
:1677)
       at java.lang.Class.checkMemberAccess(Class.java:104)
       at java.lang.Class.getDeclaredFields(Class.java:508)
       at 
org.apache.derby.iapi.services.cache.ClassSize.getSizeCoefficien
ts(Unknown Source)
       at 
org.apache.derby.iapi.services.cache.ClassSize.estimateBase(Unkn
own Source)
       at 
org.apache.derby.iapi.store.access.BackingStoreHashtable.<cli
nit>(Unknown Source)
       at java.lang.J9VMInternals.initializeImpl(Native 
Method)
       at 
java.lang.J9VMInternals.initialize(J9VMInternals.java:148)
       at 
org.apache.derby.impl.sql.execute.HashTableResultSet.openCore(Un
known Source)
       at 
org.apache.derby.impl.sql.execute.JoinResultSet.openRight(Unknow
n Source)
       at 
org.apache.derby.impl.sql.execute.JoinResultSet.openCore(Unknown
 Source)
       at 
org.apache.derby.impl.sql.execute.ProjectRestrictResultSet.openC
ore(Unknown Source)
       at 
org.apache.derby.impl.sql.execute.SortResultSet.openCore(Unknown
 Source)
       at 
org.apache.derby.impl.sql.execute.BasicNoPutResultSetImpl.open(U
nknown Source)
       at 
org.apache.derby.impl.sql.GenericPreparedStatement.execute(Unkno
wn Source)
       at 
org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(Unkno
wn Source)
       at 
org.apache.derby.impl.jdbc.EmbedPreparedStatement.executeStateme
nt(Unknown Source)
       at 
org.apache.derby.impl.jdbc.EmbedPreparedStatement.executeQuery(U
nknown Source)
       at 
org.apache.derby.impl.jdbc.EmbedDatabaseMetaData.getTables(Unkno
wn Source)


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