Confluence on OSX with a Confluence home directory on FAT32 causes problems.

I am running Confluence 5.4.2 (but have the same problem with 5.4) on OSX version 10.8.3 (Java 1.7.0_21-b12). My confluence home directory is on an external FAT32 HDD using the built-in database (HSQLDB?).
When I login on the desktop, the Popular tab contents don't show up (the loading icon just keeps spinning) and if I try to access the system from a mobile (iOS 6 Safari), I get the following error after login:
"There was an error loading the stream items." (Retry or Cancel)

Here is my log if it helps:

Feb 13, 2014 10:38:41 AM org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8090
Feb 13, 2014 10:38:41 AM org.apache.catalina.startup.Catalina start
INFO: Server startup in 3857 ms
2014-02-13 10:42:07,135 FATAL [http-8090-1] [confluence.setup.johnson.WebAppContextPathCheck] check Bootstrap did not initialize.
Feb 13, 2014 10:42:37 AM org.apache.coyote.http11.Http11Protocol pause
INFO: Pausing Coyote HTTP/1.1 on http-8090
Feb 13, 2014 10:42:38 AM org.apache.catalina.core.StandardService stop
INFO: Stopping service Tomcat-Standalone
2014-02-13 10:42:38,944 FATAL [main] [atlassian.spring.container.SpringContainerContext] getComponent Spring Application context has not been set
2014-02-13 10:42:38,944 ERROR [main] [confluence.user.listeners.UserSessionExpiryListener] sessionDestroyed Application server does not give us access to expired sessions. Listeners that depend on receiving LogoutEvent will not be reliable. This web server is probably unsupported.
java.lang.IllegalStateException: Spring Application context has not been set
at com.atlassian.spring.container.SpringContainerContext.getComponent(SpringContainerContext.java:48)
at com.atlassian.confluence.user.listeners.UserSessionExpiryListener.getEventPublisher(UserSessionExpiryListener.java:65)
at com.atlassian.confluence.user.listeners.UserSessionExpiryListener.sessionDestroyed(UserSessionExpiryListener.java:37)
at org.apache.catalina.session.StandardSession.expire(StandardSession.java:720)
at org.apache.catalina.session.StandardSession.expire(StandardSession.java:655)
at org.apache.catalina.session.StandardManager.stop(StandardManager.java:689)
at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4882)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1110)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1110)
at org.apache.catalina.core.StandardEngine.stop(StandardEngine.java:468)
at org.apache.catalina.core.StandardService.stop(StandardService.java:604)
at org.apache.catalina.core.StandardServer.stop(StandardServer.java:788)
at org.apache.catalina.startup.Catalina.stop(Catalina.java:662)
at org.apache.catalina.startup.Catalina.start(Catalina.java:629)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
2014-02-13 10:42:38,945 FATAL [main] [atlassian.spring.container.SpringContainerContext] getComponent Spring Application context has not been set
2014-02-13 10:42:38,945 WARN [main] [atlassian.confluence.plugin.PluginFrameworkContextListener] contextDestroyed Failed to shut down plugin system during ServletContext shutdown: Spring Application context has not been set
2014-02-13 10:42:38,945 INFO [main] [com.atlassian.confluence.lifecycle] contextDestroyed Stopping Confluence
Feb 13, 2014 10:42:38 AM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
SEVERE: The web application [] registered the JDBC driver [org.hsqldb.jdbc.JDBCDriver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
Feb 13, 2014 10:42:38 AM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
SEVERE: The web application [] registered the JDBC driver [org.postgresql.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
log4j:ERROR LogMananger.repositorySelector was null likely due to error in class reloading, using NOPLoggerRepository.
Feb 13, 2014 10:42:39 AM org.apache.coyote.http11.Http11Protocol destroy
INFO: Stopping Coyote HTTP/1.1 on http-8090
Feb 13, 2014 10:52:04 AM org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNING: [SetPropertiesRule]

{Server}

Setting property 'debug' to '0' did not find a matching property.
Feb 13, 2014 10:52:04 AM org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNING: [SetPropertiesRule]

{Server/Service/Engine}

Setting property 'debug' to '0' did not find a matching property.
Feb 13, 2014 10:52:04 AM org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNING: [SetPropertiesRule]

{Server/Service/Engine/Host}

Setting property 'debug' to '0' did not find a matching property.
Feb 13, 2014 10:52:04 AM org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNING: [SetPropertiesRule]

{Server/Service/Engine/Host/Context}

Setting property 'debug' to '0' did not find a matching property.
Feb 13, 2014 10:52:04 AM org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8090
Feb 13, 2014 10:52:04 AM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 348 ms
Feb 13, 2014 10:52:04 AM org.apache.catalina.core.StandardService start
INFO: Starting service Tomcat-Standalone
Feb 13, 2014 10:52:04 AM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.35
Feb 13, 2014 10:52:07 AM org.apache.catalina.startup.TldConfig tldScanJar

S2014-02-13 10:52:08,313 INFO [main] [com.atlassian.confluence.lifecycle] contextInitialized Starting Confluence 5.4.2 [build 4731 based on commit hash 0a2d13ba65b62df25186f4b87e6c642af1792689]
Exception in thread "ThreadPoolAsyncTaskExecutor::Thread 15" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'edgeLuceneConnectionFactoryBean' defined in URL [bundle://53.0:0/META-INF/spring/pluginContext.xml]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [com.atlassian.confluence.plugins.edgeindex.lucene.EdgeLuceneConnectionFactory]: Constructor threw exception; nested exception is java.nio.channels.OverlappingFileLockException
at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:254)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:925)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:835)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:440)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)
at java.security.AccessController.doPrivileged(Native Method)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:429)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728)
at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.access$1600(AbstractDelegatedExecutionApplicationContext.java:69)
at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$4.run(AbstractDelegatedExecutionApplicationContext.java:355)
at org.springframework.osgi.util.internal.PrivilegedUtils.executeWithCustomTCCL(PrivilegedUtils.java:85)
at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.completeRefresh(AbstractDelegatedExecutionApplicationContext.java:320)
at org.springframework.osgi.extender.internal.dependencies.startup.DependencyWaiterApplicationContextExecutor$CompleteRefreshTask.run(DependencyWaiterApplicationContextExecutor.java:132)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
at java.lang.Thread.run(Thread.java:680)
Caused by: org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [com.atlassian.confluence.plugins.edgeindex.lucene.EdgeLuceneConnectionFactory]: Constructor threw exception; nested exception is java.nio.channels.OverlappingFileLockException
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:115)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:87)
at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:248)
... 21 more
Caused by: java.nio.channels.OverlappingFileLockException
at sun.nio.ch.FileChannelImpl$SharedFileLockTable.checkList(FileChannelImpl.java:1166)
at sun.nio.ch.FileChannelImpl$SharedFileLockTable.add(FileChannelImpl.java:1068)
at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:868)
at java.nio.channels.FileChannel.tryLock(FileChannel.java:962)
at org.apache.lucene.store.NativeFSLock.obtain(NativeFSLockFactory.java:217)
at org.apache.lucene.store.Lock.obtain(Lock.java:72)
at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:644)
at com.atlassian.bonnie.LuceneConnection.upgradeIndexIfNecessary(LuceneConnection.java:455)
at com.atlassian.bonnie.LuceneConnection.ensureCorrectIndexFormat(LuceneConnection.java:424)
at com.atlassian.bonnie.LuceneConnection.<init>(LuceneConnection.java:74)
at com.atlassian.confluence.plugins.edgeindex.lucene.EdgeLuceneConnectionFactory.<init>(EdgeLuceneConnectionFactory.java:25)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:100)
... 23 more
Feb 13, 2014 10:54:15 AM org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8090
Feb 13, 2014 10:54:15 AM org.apache.catalina.startup.Catalina start
INFO: Server startup in 130843 ms
Feb 13, 2014 10:54:20 AM com.sun.jersey.server.impl.application.WebApplicationImpl _initiate
INFO: Initiating Jersey application, version 'Jersey: 1.8-atlassian-11 03/22/2013 05:02 PM'
Feb 13, 2014 10:54:20 AM com.sun.jersey.server.impl.application.WebApplicationImpl _initiate
INFO: Initiating Jersey application, version 'Jersey: 1.8-atlassian-11 03/22/2013 05:02 PM'
Feb 13, 2014 10:54:20 AM com.sun.jersey.api.wadl.config.WadlGeneratorLoader loadWadlGenerator
INFO: Loading wadlGenerator com.sun.jersey.server.wadl.generators.WadlGeneratorApplicationDoc
Feb 13, 2014 10:54:20 AM com.sun.jersey.api.wadl.config.WadlGeneratorLoader loadWadlGenerator
INFO: Loading wadlGenerator com.sun.jersey.server.wadl.generators.WadlGeneratorGrammarsSupport
Feb 13, 2014 10:54:20 AM com.sun.jersey.api.wadl.config.WadlGeneratorLoader loadWadlGenerator
INFO: Loading wadlGenerator com.atlassian.plugins.rest.doclet.generators.resourcedoc.AtlassianWadlGeneratorResourceDocSupport
Feb 13, 2014 10:54:20 AM com.sun.jersey.server.impl.application.WebApplicationImpl _initiate
INFO: Initiating Jersey application, version 'Jersey: 1.8-atlassian-11 03/22/2013 05:02 PM'
Feb 13, 2014 10:54:27 AM com.sun.jersey.server.impl.application.WebApplicationImpl _initiate
INFO: Initiating Jersey application, version 'Jersey: 1.8-atlassian-11 03/22/2013 05:02 PM'
Feb 13, 2014 10:54:27 AM com.sun.jersey.api.wadl.config.WadlGeneratorLoader loadWadlGenerator
INFO: Loading wadlGenerator com.sun.jersey.server.wadl.generators.WadlGeneratorApplicationDoc
Feb 13, 2014 10:54:27 AM com.sun.jersey.api.wadl.config.WadlGeneratorLoader loadWadlGenerator
INFO: Loading wadlGenerator com.sun.jersey.server.wadl.generators.WadlGeneratorGrammarsSupport
Feb 13, 2014 10:54:27 AM com.sun.jersey.api.wadl.config.WadlGeneratorLoader loadWadlGenerator
INFO: Loading wadlGenerator com.atlassian.plugins.rest.doclet.generators.resourcedoc.AtlassianWadlGeneratorResourceDocSupport
Feb 13, 2014 10:54:27 AM com.sun.jersey.server.impl.application.WebApplicationImpl _initiate
INFO: Initiating Jersey application, version 'Jersey: 1.8-atlassian-11 03/22/2013 05:02 PM'
Feb 13, 2014 10:54:27 AM com.sun.jersey.server.impl.application.WebApplicationImpl _initiate
INFO: Initiating Jersey application, version 'Jersey: 1.8-atlassian-11 03/22/2013 05:02 PM'
Feb 13, 2014 11:20:39 AM org.apache.coyote.http11.Http11Protocol pause
INFO: Pausing Coyote HTTP/1.1 on http-8090
Feb 13, 2014 11:20:40 AM org.apache.catalina.core.StandardService stop
INFO: Stopping service Tomcat-Standalone
Feb 13, 2014 11:20:54 AM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
SEVERE: The web application [] registered the JDBC driver [org.postgresql.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
Feb 13, 2014 11:20:54 AM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
SEVERE: The web application [] registered the JDBC driver [org.hsqldb.jdbc.JDBCDriver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
Feb 13, 2014 11:20:54 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [HSQLDB Timer @359f498] but has failed to stop it. This is very likely to create a memory leak.
Feb 13, 2014 11:20:54 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Timer-3] but has failed to stop it. This is very likely to create a memory leak.
Feb 13, 2014 11:20:54 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0 but has failed to stop it. This is very likely to create a memory leak.
Feb 13, 2014 11:20:54 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1 but has failed to stop it. This is very likely to create a memory leak.
Feb 13, 2014 11:20:54 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2 but has failed to stop it. This is very likely to create a memory leak.
Feb 13, 2014 11:20:54 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [__DEFAULT__] but has failed to stop it. This is very likely to create a memory leak.
Feb 13, 2014 11:20:54 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Statistics Thread] but has failed to stop it. This is very likely to create a memory leak.
Feb 13, 2014 11:20:54 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Statistics Thread] but has failed to stop it. This is very likely to create a memory leak.
Feb 13, 2014 11:20:54 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Statistics Thread] but has failed to stop it. This is very likely to create a memory leak.
Feb 13, 2014 11:20:54 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Statistics Thread] but has failed to stop it. This is very likely to create a memory leak.
Feb 13, 2014 11:20:54 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Statistics Thread] but has failed to stop it. This is very likely to create a memory leak.
Feb 13, 2014 11:20:54 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Statistics Thread] but has failed to stop it. This is very likely to create a memory leak.
Feb 13, 2014 11:20:54 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Statistics Thread] but has failed to stop it. This is very likely to create a memory leak.
Feb 13, 2014 11:20:54 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Statistics Thread] but has failed to stop it. This is very likely to create a memory leak.
log4j:ERROR LogMananger.repositorySelector was null likely due to error in class reloading, using NOPLoggerRepository.
Feb 13, 2014 11:20:56 AM org.apache.coyote.http11.Http11Protocol destroy
INFO: Stopping Coyote HTTP/1.1 on http-8090