Hi,

   When I do a fresh installation of T2.1, install the cagrid-activity 
plug-in, and 1) open a workflow that contains a secure service or 2) add 
a cagrid service,
CredentialManager.getInstance() is invoked and an error occurs (see the 
end of this email).
A workaround here, is to visit the credential manager in the GUI and 
provide a master password.
It is required or, can the users at this time provide an initial master 
password instead of failure?

  Best regards,

Wei

----------------------------------------------------------------------------------------------------------------------
WARN  2010-01-25 16:40:53,127 (net.sf.taverna.raven.spi.SpiRegistry:85) 
- Could not find class net.s
f.taverna.t2.security.credentialmanager.UIMasterPasswordProvider using 
loader{net.sf.taverna.t2.tave
rna-workbench.plugins:components-plugin:2.1.0} from 2003979
java.lang.ClassNotFoundException: 
net.sf.taverna.t2.security.credentialmanager.UIMasterPasswordProvi
der
        at 
net.sf.taverna.raven.repository.impl.LocalArtifactClassLoader.findClass(LocalArtifactClas
sLoader.java:343)
        at 
net.sf.taverna.raven.repository.impl.LocalArtifactClassLoader.findClass(LocalArtifactClas
sLoader.java:276)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at 
net.sf.taverna.raven.spi.SpiRegistry.updateRegistry(SpiRegistry.java:274)
        at 
net.sf.taverna.raven.spi.SpiRegistry.getClasses(SpiRegistry.java:154)
        at 
net.sf.taverna.raven.spi.InstanceRegistry.getInstances(InstanceRegistry.java:129)
        at 
net.sf.taverna.t2.spi.SPIRegistry.getInstances(SPIRegistry.java:117)
        at 
net.sf.taverna.t2.security.credentialmanager.CredentialManager.<init>(CredentialManager.j
ava:185)
        at 
net.sf.taverna.t2.security.credentialmanager.CredentialManager.getInstance(CredentialMana
ger.java:141)
        at 
net.sf.taverna.cagrid.activity.CaGridActivity.loadCaGridCAsCertificates(CaGridActivity.ja
va:778)
        at 
net.sf.taverna.cagrid.activity.CaGridActivity.initializeSecurity(CaGridActivity.java:737)

        at 
net.sf.taverna.cagrid.activity.CaGridActivity.<clinit>(CaGridActivity.java:126)

-- 
Wei Tan, Ph.D.
Computation Institute
the University of Chicago|Argonne National Laboratory
http://www.mcs.anl.gov/~wtan


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