Can someone tell me where these are coming from?

It is not related to any code.  I am not loading any projects at all.  I get these messages as soon as I start Eclipse.  (trying to work with projects fail for a variety of reasons...)

!SESSION 2012-05-10 13:45:45.373 -----------------------------------------------
eclipse.buildId=M20110210-1200
java.version=1.7.0_04
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US
Command-line arguments:  -os win32 -ws win32 -arch x86

!ENTRY com.salesforce.ide.core 2 0 2012-05-10 14:07:58.856
!MESSAGE  WARN [2012-05-10 14:07:58,829] (IntroEditorInput.java:loadDocument:130) - org.xml.sax.SAXParseException; lineNumber: 149; columnNumber: 32; The entity name must immediately follow the '&' in the entity reference.


!ENTRY org.eclipse.ui 4 4 2012-05-10 14:08:51.034
!MESSAGE Invalid preference page path: HTML Syntax
!ENTRY com.salesforce.ide.core 4 0 2012-05-10 14:08:58.939
!MESSAGE ERROR [2012-05-10 14:08:58,935] (PackageManifestFactory.java:getPackageManifest:115) - Unable to create package manifest
java.lang.ClassCastException: com.salesforce.ide.api.metadata.types.Metadata$JaxbAccessorF_fullName cannot be cast to com.sun.xml.internal.bind.v2.runtime.reflect.Accessor
!ENTRY com.salesforce.ide.core 4 0 2012-05-10 14:08:58.950
!MESSAGE ERROR [2012-05-10 14:08:58,948] (ProjectContentPropertyPage.java:createContents:77) - Factory exception occurred when marshalling package manifest into DOM document
com.salesforce.ide.core.factories.FactoryException: java.lang.ClassCastException: com.salesforce.ide.api.metadata.types.Metadata$JaxbAccessorF_fullName cannot be cast to com.sun.xml.internal.bind.v2.runtime.reflect.Accessor
caused by: java.lang.ClassCastException: com.salesforce.ide.api.metadata.types.Metadata$JaxbAccessorF_fullName cannot be cast to com.sun.xml.internal.bind.v2.runtime.reflect.Accessor
ENTRY com.salesforce.ide.core 2 0 2012-05-10 14:10:04.631
!MESSAGE  WARN [2012-05-10 14:10:04,630] (Utils.java:loadDocument:823) - Unable to load document: C:\Eclipse 3.6.2\Workspace\.metadata\.plugins\org.eclipse.core.resources\.projects\CAR SDP\com.salesforce.ide.core\packageCache.xml (The system cannot find the file specified)


!ENTRY org.eclipse.jface 4 2 2012-05-10 14:10:04.703
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jface".
java.lang.ClassCastException: com.salesforce.ide.api.metadata.types.Metadata$JaxbAccessorF_fullName cannot be cast to com.sun.xml.internal.bind.v2.runtime.reflect.Accessor
(PackageManifestFactory.java:547)
ENTRY com.salesforce.ide.core 2 0 2012-05-10 14:10:11.510
!MESSAGE  WARN [2012-05-10 14:10:11,508] (ConnectionFactory.java:clearCache:212) - Clearing the following cached connections


!ENTRY com.salesforce.ide.core 2 0 2012-05-10 14:10:11.511
!MESSAGE  WARN [2012-05-10 14:10:11,510] (DescribeObjectRegistry.java:clearCache:657) - Clearing cached describes


!ENTRY com.salesforce.ide.core 2 0 2012-05-10 14:10:11.512
!MESSAGE  WARN [2012-05-10 14:10:11,511] (MetadataFactory.java:clearCache:123) - Clearing the following cached metadata stubs

!SESSION 2012-05-10 14:36:46.206 -----------------------------------------------
eclipse.buildId=M20110210-1200
java.version=1.7.0_04
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US
Command-line arguments:  -os win32 -ws win32 -arch x86

!ENTRY org.eclipse.ui 4 4 2012-05-10 14:37:18.536
!MESSAGE Invalid preference page path: HTML Syntax

!ENTRY com.salesforce.ide.core 2 0 2012-05-10 14:37:38.631
!MESSAGE  WARN [2012-05-10 14:37:38,609] (Utils.java:loadDocument:823) - Unable to load document: C:\Eclipse 3.6.2\Workspace\.metadata\.plugins\org.eclipse.core.resources\.projects\CAR SDP\com.salesforce.ide.core\packageCache.xml (The system cannot find the file specified)


!ENTRY org.eclipse.jface 4 2 2012-05-10 14:37:39.340
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jface".

!ENTRY com.salesforce.ide.core 2 0 2012-05-10 14:40:18.278
!MESSAGE  WARN [2012-05-10 14:40:18,276] (ConnectionFactory.java:clearCache:209) - No cached connections


!ENTRY com.salesforce.ide.core 2 0 2012-05-10 14:40:18.279
!MESSAGE  WARN [2012-05-10 14:40:18,278] (DescribeObjectRegistry.java:clearCache:654) - No cached describes


!ENTRY com.salesforce.ide.core 2 0 2012-05-10 14:40:18.280
!MESSAGE  WARN [2012-05-10 14:40:18,279] (MetadataFactory.java:clearCache:120) - No cached metadata stubs

!SESSION 2012-05-10 14:52:37.914 -----------------------------------------------
eclipse.buildId=M20110210-1200
java.version=1.6.0_27
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US
Command-line arguments:  -os win32 -ws win32 -arch x86

!ENTRY org.eclipse.ui 4 4 2012-05-10 14:53:54.899
!MESSAGE Invalid preference page path: HTML Syntax

!ENTRY com.salesforce.ide.core 2 0 2012-05-10 14:54:34.796
!MESSAGE  WARN [2012-05-10 14:54:34,756] (ConnectionFactory.java:clearCache:209) - No cached connections


!ENTRY com.salesforce.ide.core 2 0 2012-05-10 14:54:34.797
!MESSAGE  WARN [2012-05-10 14:54:34,796] (DescribeObjectRegistry.java:clearCache:654) - No cached describes


!ENTRY com.salesforce.ide.core 2 0 2012-05-10 14:54:34.798
!MESSAGE  WARN [2012-05-10 14:54:34,797] (MetadataFactory.java:clearCache:120) - No cached metadata stubs

!SESSION 2012-05-10 14:54:37.631 -----------------------------------------------
eclipse.buildId=M20110210-1200
java.version=1.6.0_27
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US
Command-line arguments:  -os win32 -ws win32 -arch x86

!ENTRY org.eclipse.osgi 2 0 2012-05-10 14:55:00.449
!MESSAGE While loading class "com.salesforce.ide.upgrade.internal.UpgradeNotifier$3", thread "Thread[main,6,main]" timed out waiting (5000ms) for thread "Thread[Worker-5,5,main]" to finish starting bundle "com.salesforce.ide.upgrade_24.0.0.201202291629 [209]". To avoid deadlock, thread "Thread[main,6,main]" is proceeding but "com.salesforce.ide.upgrade.internal.UpgradeNotifier$3" may not be fully initialized.
Root exception:
org.eclipse.osgi.framework.internal.core.AbstractBundle$BundleStatusException
!ENTRY org.eclipse.ui 4 4 2012-05-10 15:04:59.021
!MESSAGE Invalid preference page path: HTML Syntax

!ENTRY com.salesforce.ide.core 2 0 2012-05-10 15:04:59.213
!MESSAGE  WARN [2012-05-10 15:04:59,191] (ConnectionFactory.java:clearCache:209) - No cached connections


!ENTRY com.salesforce.ide.core 2 0 2012-05-10 15:04:59.214
!MESSAGE  WARN [2012-05-10 15:04:59,214] (DescribeObjectRegistry.java:clearCache:654) - No cached describes


!ENTRY com.salesforce.ide.core 2 0 2012-05-10 15:04:59.215
!MESSAGE  WARN [2012-05-10 15:04:59,215] (MetadataFactory.java:clearCache:120) - No cached metadata stubs

!SESSION 2012-05-10 16:15:29.950 -----------------------------------------------
eclipse.buildId=M20110210-1200
java.version=1.6.0_27
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US
Command-line arguments:  -os win32 -ws win32 -arch x86

!ENTRY org.eclipse.ui 4 4 2012-05-10 16:16:04.825
!MESSAGE Invalid preference page path: HTML Syntax