Felix NullPointerException in FilterImpl parser prevents Confluence starting

We've had this problem during development a few times:

2008-09-30 17:49:30,613 WARN [SpringOsgiExtenderThread-2] [internal.dependencies.startup.DependencyServiceManager] findServiceDependencies Dependency factory org.springframework.osgi.extender.internal.dependencies.startup.MandatoryImporterDependen
cyFactory@116ffcbd threw exception while detecting dependencies for beanFactory org.springframework.beans.factory.support.DefaultListableBeanFactory@39e621b7: defining beans [repositoryManager, ... ,clusterManager]; root of factory hierarchy in OsgiBundleXmlApplicationContext(bundle=confluence.repository.client, config=osgibundle:/META-INF/spring/*.xml)
– url: /confluence/setup/setupembeddeddb-default.action | userName: anonymous | action: setupembeddeddb-default
java.lang.NullPointerException
at org.apache.felix.framework.util.ldap.Parser$EqualOperator.toStringInfix(Parser.java:810)
at org.apache.felix.framework.util.ldap.Parser$AndOperator.toStringInfix(Parser.java:601)
at org.apache.felix.framework.util.ldap.Evaluator.toStringInfix(Evaluator.java:184)
at org.apache.felix.framework.FilterImpl.toString(FilterImpl.java:242)
at java.lang.String.valueOf(String.java:2827)
at java.lang.StringBuffer.append(StringBuffer.java:219)
at org.springframework.osgi.service.importer.DefaultOsgiServiceDependency.<init>(DefaultOsgiServiceDependency.java:52)
at org.springframework.osgi.extender.internal.dependencies.startup.MandatoryImporterDependencyFactory.getServiceDependencies(MandatoryImporterDependencyFactory.java:69)
at org.springframework.osgi.extender.internal.dependencies.startup.DependencyServiceManager.findServiceDependencies(DependencyServiceManager.java:233)
at org.springframework.osgi.extender.internal.dependencies.startup.DependencyWaiterApplicationContextExecutor.stageOne(DependencyWaiterApplicationContextExecutor.java:248)
at org.springframework.osgi.extender.internal.dependencies.startup.DependencyWaiterApplicationContextExecutor.refresh(DependencyWaiterApplicationContextExecutor.java:172)
at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.refresh(AbstractDelegatedExecutionApplicationContext.java:136)
at org.springframework.osgi.extender.internal.activator.ContextLoaderListener$2.run(ContextLoaderListener.java:746)
at java.lang.Thread.run(Thread.java:637)
2008-09-30 17:49:30,617 ERROR [SpringOsgiExtenderThread-2] [internal.dependencies.startup.DependencyWaiterApplicationContextExecutor] fail Unable to create application context for [confluence.repository.client], unsatisfied dependencies: none
– url: /confluence/setup/setupembeddeddb-default.action | userName: anonymous | action: setupembeddeddb-default
java.lang.NullPointerException
at org.apache.felix.framework.util.ldap.Parser$EqualOperator.toStringInfix(Parser.java:810)
at org.apache.felix.framework.util.ldap.Parser$AndOperator.toStringInfix(Parser.java:601)
at org.apache.felix.framework.util.ldap.Evaluator.toStringInfix(Evaluator.java:184)
at org.apache.felix.framework.FilterImpl.toString(FilterImpl.java:242)
at java.lang.String.valueOf(String.java:2827)
at java.lang.StringBuffer.append(StringBuffer.java:219)
at org.springframework.osgi.service.importer.DefaultOsgiServiceDependency.<init>(DefaultOsgiServiceDependency.java:52)
at org.springframework.osgi.extender.internal.dependencies.startup.MandatoryImporterDependencyFactory.getServiceDependencies(MandatoryImporterDependencyFactory.java:69)
at org.springframework.osgi.extender.internal.dependencies.startup.DependencyServiceManager.findServiceDependencies(DependencyServiceManager.java:233)
at org.springframework.osgi.extender.internal.dependencies.startup.DependencyWaiterApplicationContextExecutor.stageOne(DependencyWaiterApplicationContextExecutor.java:248)
at org.springframework.osgi.extender.internal.dependencies.startup.DependencyWaiterApplicationContextExecutor.refresh(DependencyWaiterApplicationContextExecutor.java:172)
at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.refresh(AbstractDelegatedExecutionApplicationContext.java:136)
at org.springframework.osgi.extender.internal.activator.ContextLoaderListener$2.run(ContextLoaderListener.java:746)
at java.lang.Thread.run(Thread.java:637)