Problem during starting BDK

Question

Hi,
I am new to beans. I am going through some tutorials. For this I have downloaded bdk 1.1 and I have j2sdk1.4.2_08 with me. The classpath is set with C:\j2sdk1.4.2_08\bin;C:\bdk1_1\beans
But when I am trying to start the bean builder it is starting but I am getting an exception as a result of which OurButton is not getting loaded into the Tool box. I am getting the following error
C:\bdk1_1\beans\beanbox>run
C:\bdk1_1\beans\beanbox>if "Windows_NT" == "Windows_NT" setlocal
C:\bdk1_1\beans\beanbox>set CLASSPATH=classes;..\lib\methodtracer.jar;..\infobus
.jar
C:\bdk1_1\beans\beanbox>java sun.beanbox.BeanBoxFrame
C:\bdk1_1\beans\jars\buttons.jar: jar load failed: java.lang.Error: java.beans.I
ntrospectionException: Method "actionPerformed" should have argument "ActionPerf
ormedEvent"
java.lang.Error: java.beans.IntrospectionException: Method "actionPerformed" sho
uld have argument "ActionPerformedEvent"
at sunw.demo.buttons.ExplicitButtonBeanInfo.getEventSetDescriptors(Expli
citButtonBeanInfo.java:60)
at java.beans.Introspector.getTargetEventInfo(Unknown Source)
at java.beans.Introspector.getBeanInfo(Unknown Source)
at java.beans.Introspector.getBeanInfo(Unknown Source)
at sun.beanbox.JarInfo.<init>(JarInfo.java:66)
at sun.beanbox.JarLoader.createJarInfo(JarLoader.java:292)
at sun.beanbox.JarLoader.loadJar(JarLoader.java:197)
at sun.beanbox.JarLoader.loadJarDoOnBean(JarLoader.java:207)
at sun.beanbox.ToolBoxPanel.addBeansInJar(ToolBox.java:175)
at sun.beanbox.ToolBoxPanel.<init>(ToolBox.java:105)
at sun.beanbox.ToolBoxScrollPane.<init>(ToolBox.java:69)
at sun.beanbox.ToolBox.<init>(ToolBox.java:28)
at sun.beanbox.BeanBoxFrame.<init>(BeanBoxFrame.java:124)
at sun.beanbox.BeanBoxFrame.main(BeanBoxFrame.java:91)
Can any one help me in telling how to get around this problem so that I can see the OurButton on the Tool Box.
Thanks in advance
Abinash

Answer 1

Goto http://forum.java.sun.com/thread.jspa?threadID=251074&tstart=30
After fixing this you will need to download the nmake.exe from another post on this conference and run the following from the beans\demo directory:
nmake -f buttons.mk
nmake -f test.mk
Goto the NMAKE issue on this conference.
Here is the specific fix information:
Re: Problem with BDK1.1 ToolBox beans: Missing Beans!
Author: sezutaut Posts: 1 Registered: 4/3/02
Jun 20, 2002 10:46 AM (reply 5 of 35)
I run on Windows XP with Java SDK 1.4.0, and I had the same problem. I was able to fix it by making the following two changes:
In ExplicitButtonBeanInfo.java, I changed the first "actionPerformed" to "action" since it is an ActionEvent that is passed to actionPerformed:
Changed from:
EventSetDescriptor push = new EventSetDescriptor(beanClass,
"actionPerformed",
java.awt.event.ActionListener.class,
"actionPerformed");
to:
EventSetDescriptor push = new EventSetDescriptor(beanClass,
"action",
java.awt.event.ActionListener.class,
"actionPerformed");
For the second problem, in BridgeTesterBeanInfo.java, I changed the first "vetoableChange" to "propertyChange" since it is a PropertyChangeEvent that is passed to vetoableChange:
Changed from:
vetos = new EventSetDescriptor(btClass,
"vetoableChange",
java.beans.VetoableChangeListener.class,
"vetoableChange");
to:
vetos = new EventSetDescriptor(btClass,
"propertyChange",
java.beans.VetoableChangeListener.class,
"vetoableChange");
After rebuilding the jar files, everything seemed to work fine. Based on the design pattern, this seems to be the way it should be, and I am a little puzzled as to why the BDK works without these modifications on other systems. Clearly it does though.
from someone named Steve