Netbeans build : 200205240100
I started debugger on web module = WEB-INF node. The 
following exception occured :

org.openide.debugger.DebuggerException: Exception while 
starting debugger:
Cannot connect to remote VM.
java.net.ConnectException: Connection refused: connect
        at 
org.netbeans.modules.debugger.jpda.JPDADebugger.connect
(JPDADebugger.
java:948)
        at 
org.netbeans.modules.debugger.jpda.JPDADebugger.connect
(JPDADebugger.
java:895)
        at 
org.netbeans.modules.debugger.jpda.JPDADebugger.startDebugge
r(JPDADeb
ugger.java:256)
        at 
org.netbeans.modules.debugger.multisession.EnterpriseDebugge
r.startDe
bugger(EnterpriseDebugger.java:228)
        at 
org.netbeans.modules.j2ee.impl.DefaultServerInstanceManager.
connectID
EDebugger(DefaultServerInstanceManager.java:210)
        at 
org.netbeans.modules.j2ee.impl.DefaultServerInstanceManager.
access$10
0(DefaultServerInstanceManager.java:83)
        at 
org.netbeans.modules.j2ee.impl.DefaultServerInstanceManager$
CopyMaker
ServerInstanceListener.go
(DefaultServerInstanceManager.java:478)
        at 
org.netbeans.modules.j2ee.impl.DefaultServerInstanceManager$
CopyMaker
ServerInstanceListener.serverStatusChanged
(DefaultServerInstanceManager.java:463
)
        at 
org.netbeans.modules.j2ee.impl.ServerChangeSupport.fireStatu
s(ServerC
hangeSupport.java:82)
        at 
org.netbeans.modules.tomcat.tomcat40.Tomcat40Instance.fireSt
atus(Tomc
at40Instance.java:199)
        at 
org.netbeans.modules.tomcat.tomcat40.Tomcat40Installation.fi
reStatus(
Tomcat40Installation.java:1016)
        at 
org.netbeans.modules.tomcat.tomcat40.Tomcat40Installation.cr
eateNewTo
mcatProcess(Tomcat40Installation.java:807)
        at 
org.netbeans.modules.tomcat.tomcat40.Tomcat40Installation.st
artServer
InDebugMode(Tomcat40Installation.java:761)
        at 
org.netbeans.modules.tomcat.tomcat40.Tomcat40Installation.sy
nchronize
Start(Tomcat40Installation.java:880)
        at 
org.netbeans.modules.tomcat.tomcat40.Tomcat40Installation.in
cremental
Deploy(Tomcat40Installation.java:583)
        at 
org.netbeans.modules.tomcat.tomcat40.Tomcat40Instance.deploy
(Tomcat40
Instance.java:260)
        at 
org.netbeans.modules.j2ee.impl.DefaultServerInstanceManager.
doDeploy(
DefaultServerInstanceManager.java:136)
        at 
org.netbeans.modules.j2ee.impl.DefaultServerInstanceManager.
startDebu
gger(DefaultServerInstanceManager.java:178)
        at 
org.netbeans.modules.j2ee.impl.DefaultServerInstanceManager.
serverIns
tanceStartDebugging(DefaultServerInstanceManager.java:115)
        at 
org.netbeans.modules.j2ee.impl.DefaultExecPerformer.startDeb
ugging(De
faultExecPerformer.java:127)
        at 
org.netbeans.modules.web.execution.WebDefaultExecPerformer.s
tartDebug
ging(WebDefaultExecPerformer.java:261)
        at 
org.netbeans.modules.j2ee.impl.ServerDebuggerType.startDebug
ger(Serve
rDebuggerType.java:71)
        at 
org.netbeans.modules.j2ee.impl.ServerDebuggerType.startDebug
ger(Serve
rDebuggerType.java:63)
        at org.netbeans.modules.j2ee.impl.ExecSupport.debug
(ExecSupport.java:149
)
        at 
org.netbeans.modules.j2ee.impl.ServerExecSupport.debug
(ServerExecSupp
ort.java:155)
        at 
org.netbeans.modules.debugger.support.actions.StartAction.pe
rformActi
on(StartAction.java:88)
        at org.openide.util.actions.NodeAction.performAction
(NodeAction.java:179
)
        at 
org.openide.util.actions.NodeAction.actionPerformed
(NodeAction.java:1
70)
        at org.netbeans.core.ModuleActions$1.run
(ModuleActions.java:100)
        at org.openide.util.Task.run(Task.java:136)
        at org.openide.util.RequestProcessor$Processor.run
(RequestProcessor.java
:599)
Caused by: java.net.ConnectException: Connection refused: 
connect
        at java.net.PlainSocketImpl.socketConnect(Native 
Method)
        at java.net.PlainSocketImpl.doConnect
(PlainSocketImpl.java:296)
        at java.net.PlainSocketImpl.connectToAddress
(PlainSocketImpl.java:162)
        at java.net.PlainSocketImpl.connect
(PlainSocketImpl.java:149)
        at java.net.Socket.connect(Socket.java:430)
        at java.net.Socket.connect(Socket.java:379)
        at java.net.Socket.<init>(Socket.java:293)
        at java.net.Socket.<init>(Socket.java:121)
        at com.sun.tools.jdi.SocketTransport.attach
(SocketTransport.java:49)
        at com.sun.tools.jdi.SocketAttachingConnector.attach
(SocketAttachingConn
ector.java:68)
        at 
org.netbeans.modules.debugger.jpda.JPDADebugger.connect
(JPDADebugger.
java:940)
        ... 30 more
java.lang.NullPointerException
        at 
org.netbeans.modules.j2ee.impl.DefaultServerInstanceManager$
DebugCopy
Maker.writeString(DefaultServerInstanceManager.java:380)
        at 
org.netbeans.modules.j2ee.impl.DefaultServerInstanceManager$
CopyMaker
.run(DefaultServerInstanceManager.java:338)
java.lang.NullPointerException
        at 
org.netbeans.modules.j2ee.impl.DefaultServerInstanceManager$
DebugCopy
Maker.writeString(DefaultServerInstanceManager.java:380)
        at 
org.netbeans.modules.j2ee.impl.DefaultServerInstanceManager$
CopyMaker
.run(DefaultServerInstanceManager.java:338)

JSP Debegging isn't workink