When I tried to update my packages, apt hanged 3 times in the process: when it was unpacking, installing and setting up the package libantlr-java-gcj. Looks like a process spawned by apt is broken. When I kill "gcj-dbtool-4.2 -m /var/lib/gcj-4.2/classmap.db.tmp /var/lib/gcj-4.2/classmap.db.tmp /usr/share/gcj/classmap.d/ant-antlr.jar.db /usr/share/gcj...", apt continues, but the package is not installed.
Here is the full command line of the process that blocks apt:
gcj-dbtool-4.2 -m /var/lib/gcj-4.2/classmap.db.tmp /var/lib/gcj-4.2/classmap.db.tmp /usr/share/gcj/classmap.d/ant-antlr.jar.db /usr/share/gcj/classmap.d/org.eclipse.core.variables_3.1.100.v20060605.jar.db /usr/share/gcj/classmap.d/org.eclipse.ui.externaltools_3.1.101.r321_v20060802.jar.db /usr/share/gcj/classmap.d/org.eclipse.help.ui_3.2.0.v20060602.jar.db /usr/share/gcj/classmap.d/org.eclipse.pde.ui_3.2.1.v20060816-0800.jar.db /usr/share/gcj/classmap.d/jaxp-1.3.jar.db /usr/share/gcj/classmap.d/org.eclipse.core.runtime_3.2.0.v20060603.jar.db /usr/share/gcj/classmap.d/org.eclipse.help_3.2.2.R322_v20061213.jar.db /usr/share/gcj/classmap.d/org.eclipse.debug.ui_3.2.2.r322_v20070202.jar.db /usr/share/gcj/classmap.d/ant-commons-net.jar.db /usr/share/gcj/classmap.d/org.eclipse.jdt.debug.ui_3.2.2.r322_v20061205.jar.db /usr/share/gcj/classmap.d/org.eclipse.pde.runtime_3.2.0.v20060605.jar.db /usr/share/gcj/classmap.d/org.eclipse.ui.workbench_3.2.2.M20070119-0800.jar.db /usr/share/gcj/classmap.d/org.eclipse.jdt.core_3.2.3.v_686_R32x.jar.db /usr/share/gcj/classmap.d/org.eclipse.ui.cheatsheets_3.2.1.R321_v20060720.jar.db /usr/share/gcj/classmap.d/org.eclipse.core.resources.compatibility_3.2.0.v20060603.jar.db /usr/share/gcj/classmap.d/log4j-1.2.15.jar.db /usr/share/gcj/classmap.d/org.eclipse.core.runtime.compatibility.auth_3.2.0.v20060601.jar.db /usr/share/gcj/classmap.d/org.eclipse.ui.forms_3.2.0.v20060602.jar.db /usr/share/gcj/classmap.d/org.eclipse.jface_3.2.2.M20061214-1200.jar.db /usr/share/gcj/classmap.d/org.eclipse.osgi.services_3.1.100.v20060601.jar.db /usr/share/gcj/classmap.d/com-sun-javadoc-0.7.9.jar.db /usr/share/gcj/classmap.d/ant-apache-bcel.jar.db /usr/share/gcj/classmap.d/org.eclipse.team.cvs.ui_3.2.2.M20061121.jar.db /usr/share/gcj/classmap.d/org.eclipse.ui.presentations.r21_3.2.0.I20060605-1400.jar.db /usr/share/gcj/classmap.d/org.eclipse.core.jobs_3.2.0.v20060603.jar.db /usr/share/gcj/classmap.d/org.eclipse.ui.workbench.texteditor_3.2.0.v20060605-1400.jar.db /usr/share/gcj/classmap.d/org.eclipse.ui.views.properties.tabbed_3.2.1.M20060830-0800.jar.db /usr/share/gcj/classmap.d/org.eclipse.ltk.core.refactoring_3.2.1.r321_v20060823.jar.db /usr/share/gcj/classmap.d/org.eclipse.jface.text_3.2.2.r322_v20070104.jar.db /usr/share/gcj/classmap.d/org.eclipse.equinox.registry_3.2.1.R32x_v20060814.jar.db /usr/share/gcj/classmap.d/org.eclipse.equinox.common_3.2.0.v20060603.jar.db /usr/share/gcj/classmap.d/org.eclipse.core.runtime.compatibility_3.1.100.v20060603.jar.db /usr/share/gcj/classmap.d/gnu-classpath-tools-gjdoc-0.7.9.jar.db /usr/share/gcj/classmap.d/ant-jdepend.jar.db /usr/share/gcj/classmap.d/org.eclipse.help.appserver_3.1.100.v20060602.jar.db /usr/share/gcj/classmap.d/org.eclipse.ui_3.2.1.M20061108.jar.db /usr/share/gcj/classmap.d/org.eclipse.ui.browser_3.2.0.v20060602.jar.db /usr/share/gcj/classmap.d/org.eclipse.jdt.launching_3.2.2.r322_v20061114.jar.db /usr/share/gcj/classmap.d/org.eclipse.equinox.preferences_3.2.1.R32x_v20060717.jar.db /usr/share/gcj/classmap.d/org.eclipse.core.contenttype_3.2.0.v20060603.jar.db /usr/share/gcj/classmap.d/org.eclipse.swt.gtk.linux.x86_64_3.2.2.v3236.jar.db /usr/share/gcj/classmap.d/org.eclipse.core.expressions_3.2.2.r322_v20070109a.jar.db /usr/share/gcj/classmap.d/ant-javamail.jar.db /usr/share/gcj/classmap.d/org.eclipse.pde.junit.runtime_3.2.0.v20060605.jar.db /usr/share/gcj/classmap.d/org.eclipse.core.filebuffers_3.2.1.r321_v20060721.jar.db /usr/share/gcj/classmap.d/org.eclipse.ui.console_3.1.100.v20060605.jar.db /usr/share/gcj/classmap.d/org.eclipse.team.ui_3.2.1.M200608151725.jar.db /usr/share/gcj/classmap.d/com-sun-tools-doclets-Taglet-0.7.9.jar.db /usr/share/gcj/classmap.d/org.eclipse.team.core_3.2.2.M20061114.jar.db /usr/share/gcj/classmap.d/org.eclipse.ui.ide_3.2.1.M20060915-1030.jar.db /usr/share/gcj/classmap.d/antlr.jar.db /usr/share/gcj/classmap.d/org.eclipse.team.cvs.ssh_3.2.1.M20061205.jar.db /usr/share/gcj/classmap.d/org.eclipse.osgi.util_3.1.100.v20060601.jar.db /usr/share/gcj/classmap.d/xercesImpl.jar.db /usr/share/gcj/classmap.d/ant-commons-logging.jar.db /usr/share/
package version: 2.7.7-11
I'm using the 64 bits Kubuntu 9.04