Null Exception

3 New Member

I have implemented a code for one form its name is hardware form and first i will enter data it will take it and after enetering the second time it is gving me an null pointer exception it is not allowing me to update this form please can any one help me out.
Regards,
rahul.

Code where it is giving error is (in editing):

public String add_action() {

RequestBean1 bean = getRequestBean1();
String name= this.getProject_id().getText().toString();

CachedRowSetDataProvider pro_allocDataProvider = bean.getProject_allocateDataProvider();

try {

if(pro_allocDataProvider.getRowCount()>0) {

pro_allocDataProvider.cursorFirst();
do {

if (pro_allocDataProvider.getValue("project_allocate. project_id").toString().equals(name)) {
System.out.println(name);
pro_allocDataProvider.setValue("project_allocate.p roject_id", this.getProject_id().getText());
pro_allocDataProvider.setValue("project_allocate.p roject_name", this.getName().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.o wner", this.getOwner().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.I SV", this.getISV_name().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.s tart_date", this.getStart_date().getText());
pro_allocDataProvider.setValue("project_allocate.e nd_date", this.getEnd_date().getText() );
pro_allocDataProvider.setValue("project_allocate.p type", this.getProject_type().getSelected().toString() );
pro_allocDataProvider.setValue("project_allocate.l ocation", this.getLocation().getSelected().toString() );
pro_allocDataProvider.setValue("project_allocate.s cope", this.getScope().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.i svvisit", this.getISV_visit().getSelected().toString() );
pro_allocDataProvider.setValue("project_allocate.n etwork", this.getNetwork().getSelected().toString() );
pro_allocDataProvider.setValue("project_allocate.a ddition", this.getAdditional().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.D BOS", this.getDbos().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.m odel", this.getModel().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.m emory", this.getMemory().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.c pu", this.getCpu().getText().toString() );
//
pro_allocDataProvider.commitChanges();
}

} while (pro_allocDataProvider.cursorNext());

}
info ("Hardware details updated successfully.");
return "case1";
} catch (Exception ex) {
log("Error Description", ex);
error("Error :"+ex.getMessage());
}
return null;
}

Oct 3 '07 #1

Subscribe Reply

2291

r035198x

13,262

MVP

I have implemented a code for one form its name is hardware form and first i will enter data it will take it and after enetering the second time it is gving me an null pointer exception it is not allowing me to update this form please can any one help me out.
Regards,
rahul.

Code where it is giving error is (in editing):

public String add_action() {

RequestBean1 bean = getRequestBean1();
String name= this.getProject_id().getText().toString();

CachedRowSetDataProvider pro_allocDataProvider = bean.getProject_allocateDataProvider();

try {

if(pro_allocDataProvider.getRowCount()>0) {

pro_allocDataProvider.cursorFirst();
do {

if (pro_allocDataProvider.getValue("project_allocate. project_id").toString().equals(name)) {
System.out.println(name);
pro_allocDataProvider.setValue("project_allocate.p roject_id", this.getProject_id().getText());
pro_allocDataProvider.setValue("project_allocate.p roject_name", this.getName().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.o wner", this.getOwner().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.I SV", this.getISV_name().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.s tart_date", this.getStart_date().getText());
pro_allocDataProvider.setValue("project_allocate.e nd_date", this.getEnd_date().getText() );
pro_allocDataProvider.setValue("project_allocate.p type", this.getProject_type().getSelected().toString() );
pro_allocDataProvider.setValue("project_allocate.l ocation", this.getLocation().getSelected().toString() );
pro_allocDataProvider.setValue("project_allocate.s cope", this.getScope().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.i svvisit", this.getISV_visit().getSelected().toString() );
pro_allocDataProvider.setValue("project_allocate.n etwork", this.getNetwork().getSelected().toString() );
pro_allocDataProvider.setValue("project_allocate.a ddition", this.getAdditional().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.D BOS", this.getDbos().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.m odel", this.getModel().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.m emory", this.getMemory().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.c pu", this.getCpu().getText().toString() );
//
pro_allocDataProvider.commitChanges();
}

} while (pro_allocDataProvider.cursorNext());

}
info ("Hardware details updated successfully.");
return "case1";
} catch (Exception ex) {
log("Error Description", ex);
error("Error :"+ex.getMessage());
}
return null;
}

1.) Use code tags when posting code.
2.) The exception stacktrace should tell you the exact line number where the exception was thrown.

Oct 3 '07 #2

kalvarahul

New Member

1.) Use code tags when posting code.
2.) The exception stacktrace should tell you the exact line number where the exception was thrown.

sorry i will give you a comment at the location (it is in third line i have given comments)
-----------------------------

public String add_action() {

RequestBean1 bean = getRequestBean1();
String name= this.getProject_id().getText().toString();// At this location it is pointing out error and the error is java.lang.NullPointerException

CachedRowSetDataProvider pro_allocDataProvider = bean.getProject_allocateDataProvider();

try {

if(pro_allocDataProvider.getRowCount()>0) {

pro_allocDataProvider.cursorFirst();
do {

if (pro_allocDataProvider.getValue("project_allocate. project_id").toString().equals(name)) {
System.out.println(name);
pro_allocDataProvider.setValue("project_allocate.p roject_id", this.getProject_id().getText());
pro_allocDataProvider.setValue("project_allocate.p roject_name", this.getName().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.o wner", this.getOwner().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.I SV", this.getISV_name().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.s tart_date", this.getStart_date().getText());
pro_allocDataProvider.setValue("project_allocate.e nd_date", this.getEnd_date().getText() );
pro_allocDataProvider.setValue("project_allocate.p type", this.getProject_type().getSelected().toString() );
pro_allocDataProvider.setValue("project_allocate.l ocation", this.getLocation().getSelected().toString() );
pro_allocDataProvider.setValue("project_allocate.s cope", this.getScope().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.i svvisit", this.getISV_visit().getSelected().toString() );
pro_allocDataProvider.setValue("project_allocate.n etwork", this.getNetwork().getSelected().toString() );
pro_allocDataProvider.setValue("project_allocate.a ddition", this.getAdditional().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.D BOS", this.getDbos().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.m odel", this.getModel().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.m emory", this.getMemory().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.c pu", this.getCpu().getText().toString() );
//
pro_allocDataProvider.commitChanges();
}

} while (pro_allocDataProvider.cursorNext());

}
info ("Hardware details updated successfully.");
return "case1";
} catch (Exception ex) {
log("Error Description", ex);
error("Error :"+ex.getMessage());
}
return null;
}

Oct 3 '07 #3

r035198x

13,262

MVP

sorry i will give you a comment at the location (it is in third line i have given comments)
-----------------------------

public String add_action() {

RequestBean1 bean = getRequestBean1();
String name= this.getProject_id().getText().toString();// At this location it is pointing out error and the error is java.lang.NullPointerException

CachedRowSetDataProvider pro_allocDataProvider = bean.getProject_allocateDataProvider();

try {

if(pro_allocDataProvider.getRowCount()>0) {

pro_allocDataProvider.cursorFirst();
do {

if (pro_allocDataProvider.getValue("project_allocate. project_id").toString().equals(name)) {
System.out.println(name);
pro_allocDataProvider.setValue("project_allocate.p roject_id", this.getProject_id().getText());
pro_allocDataProvider.setValue("project_allocate.p roject_name", this.getName().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.o wner", this.getOwner().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.I SV", this.getISV_name().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.s tart_date", this.getStart_date().getText());
pro_allocDataProvider.setValue("project_allocate.e nd_date", this.getEnd_date().getText() );
pro_allocDataProvider.setValue("project_allocate.p type", this.getProject_type().getSelected().toString() );
pro_allocDataProvider.setValue("project_allocate.l ocation", this.getLocation().getSelected().toString() );
pro_allocDataProvider.setValue("project_allocate.s cope", this.getScope().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.i svvisit", this.getISV_visit().getSelected().toString() );
pro_allocDataProvider.setValue("project_allocate.n etwork", this.getNetwork().getSelected().toString() );
pro_allocDataProvider.setValue("project_allocate.a ddition", this.getAdditional().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.D BOS", this.getDbos().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.m odel", this.getModel().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.m emory", this.getMemory().getText().toString() );
pro_allocDataProvider.setValue("project_allocate.c pu", this.getCpu().getText().toString() );
//
pro_allocDataProvider.commitChanges();
}

} while (pro_allocDataProvider.cursorNext());

}
info ("Hardware details updated successfully.");
return "case1";
} catch (Exception ex) {
log("Error Description", ex);
error("Error :"+ex.getMessage());
}
return null;
}

You forgot those code tags again.
So now you have the culprit ...

Oct 3 '07 #4

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