query: Avoid NullPointerException in DAO or Service
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 480
negative_passages.text: What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?
negative_passages.docid: 73285
negative_passages.text: Null Pointer Exception in XMl Parsing
negative_passages.docid: 6719
negative_passages.text: How can I receive OutputDebugString from a service?
negative_passages.docid: 68796
negative_passages.text: Java EE Architecture - Are DAO's still recommended when using an ORM like JPA 2?
negative_passages.docid: 2204
negative_passages.text: What Causes DatabaseTransactionOutOfOrderException and how do I fix this?
negative_passages.docid: 117611
negative_passages.text: Android Context.bindService always returns false and ServiceConnection object is never triggered
negative_passages.docid: 104501
negative_passages.text: How do I enforce null checking?
negative_passages.docid: 22924
negative_passages.text: How to debug EntityMalformedException?
negative_passages.docid: 2116
negative_passages.text: IllegalArgumentException or NullPointerException for a null parameter?
negative_passages.docid: 139395
negative_passages.text: com.sun.istack.SAXException2 : Instance ... is substituting "java.lang.Object", but ... is bound to an anonymous type
negative_passages.docid: 79586
negative_passages.text: System.NullPointerException: Attempt to de-reference a null object
negative_passages.docid: 85964
negative_passages.text: Android: ClassNotFoundException when passing serializable object to Activity
negative_passages.docid: 31537
negative_passages.text: Checking for null before event dispatching... thread safe?
negative_passages.docid: 32065
negative_passages.text: Attempt to de-reference a null object: Trigger
negative_passages.docid: 35016
negative_passages.text: java.lang.NullPointerException at org.primefaces.component.datatable.feature.FilterFeature.filter
negative_passages.docid: 140738
negative_passages.text: Does setting Java objects to null do anything anymore?