Hi Ricky, Can you provide the contents of logs/nifi-app.log as well to see if there is anything relevant to this exception? The code where this is failing attempts to deserialize the XML into one of a number of classes implementing the AuthorityProvider interface via the factory. Are you sure the XML is valid and complete, and that the provider identifier is also specified in nifi.properties?
Andy LoPresto alopre...@apache.org alopresto.apa...@gmail.com PGP Fingerprint: 70EC B3E5 98A6 5A3F D3C4 BACE 3C6E F65B 2F7D EF69 > On May 12, 2016, at 2:26 PM, Ricky Saltzer <ri...@cloudera.com> wrote: > > Using the following provider on 0.6.1, I'm faced with a ClassCastException. > It might also be worth noting that I face the same exception when > attempting to us the KerberosProvider option. > > *Provider:* > <provider> > <identifier>ldap-provider</identifier> > <class>org.apache.nifi.ldap.LdapProvider</class> > <property name="Authentication Strategy">SIMPLE</property> > > <property name="Manager DN">dethklok\toki</property> > <property name="Manager Password">bananasticker</property> > > <property name="TLS - Keystore"></property> > <property name="TLS - Keystore Password"></property> > <property name="TLS - Keystore Type"></property> > <property name="TLS - Truststore"></property> > <property name="TLS - Truststore Password"></property> > <property name="TLS - Truststore Type"></property> > <property name="TLS - Client Auth"></property> > <property name="TLS - Protocol"></property> > <property name="TLS - Shutdown Gracefully"></property> > > <property name="Referral Strategy">FOLLOW</property> > <property name="Connect Timeout">10 secs</property> > <property name="Read Timeout">10 secs</property> > > <property name="Url">ldap://ldap.metalocalypse.com</property> > <property name="User Search > Base">CN=Users,DC=metalocalypse,DC=local</property> > <property name="User Search Filter">foo</property> > > <property name="Authentication Expiration">12 hours</property> > </provider> > > *Exception:* > Caused by: java.lang.ClassCastException: class > org.apache.nifi.ldap.LdapProvider > at java.lang.Class.asSubclass(Class.java:3208) ~[na:1.7.0_79] > at > org.apache.nifi.authorization.AuthorityProviderFactoryBean.createAuthorityProvider(AuthorityProviderFactoryBean.java:173) > ~[na:na] > at > org.apache.nifi.authorization.AuthorityProviderFactoryBean.getObject(AuthorityProviderFactoryBean.java:111) > ~[na:na] > at > org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:168) > ~[na:na] > ... 75 common frames omitted
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