CrashPlan/Fedora

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Dependencies

CrashPlan Desktop would not start on Fedora right away but needed some prerequisites installed. Whenever CrashPlan Desktop starts, it would create a directory called /tmp/.cpswt/ with the following contents:

$ ls -lgo /tmp/.cpswt/
total 1216
-rwxr-xr-x. 1  48520 Dec 15 21:23 libswt-atk-gtk-4234.so
-rwxr-xr-x. 1  57168 Dec 15 21:23 libswt-cairo-gtk-4234.so
-rwxr-xr-x. 1  15208 Dec 15 21:24 libswt-gnome-gtk-4234.so
-rwxr-xr-x. 1 541400 Dec 15 21:23 libswt-gtk-4234.so
-rwxr-xr-x. 1 486512 Dec 15 21:23 libswt-pi-gtk-4234.so
-rwxr-xr-x. 1  47776 Dec 15 21:24 libswt-webkit-gtk-4234.so
-rwxr-xr-x. 1  37048 Dec 15 21:24 libswt-xpcominit-gtk-4234.so

Each of these libraries was linked to a set of other libraries[1] that had to be resolved:

$ ldd /tmp/.cpswt/* | awk '/=>/ {print $1}' | sort -u | wc -l
105

So, we're depending on ~105 libraries. Most of them should be already installed (we have a working Xorg installation), but let's find out if any packages are missing:

$ REL="fc21"
$ yum install `ldd /tmp/.cpswt/* | awk '/=>/ {print $1}' | sort -u | xargs yum provides | fgrep \.$REL | sed "s/\-[0-9\.\-]*\.$REL.*//g" | sort -u`

We'll also need the following fonts package, otherwise all characters look garbled:

$ yum install dejavu-lgc-sans-fonts

Also, the logfiles in crashplan/log should tell us if libraries are missing:

$ less /opt/crashplan/log/ui_bob.log.0
[...]
[12.15.13 14:46:04.742 WARN    main    com.backup42.desktop.CPDesktop  ] org.eclipse.swt.SWTException: \
Failed to execute runnable (java.lang.UnsatisfiedLinkError: Could not load SWT library. Reasons: 
       Can't load library: /tmp/.cpswt/libswt-gnome-gtk-4234.so
       Can't load library: /tmp/.cpswt/libswt-gnome-gtk.so
       no swt-gnome-gtk-4234 in java.library.path
       no swt-gnome-gtk in java.library.path
       /tmp/.cpswt/libswt-gnome-gtk-4234.so: libgnomevfs-2.so.0: cannot open shared object file: \
          No such file or directory), org.eclipse.swt.SWTException: Failed to execute runnable \
          (java.lang.UnsatisfiedLinkError: Could not load SWT library. Reasons: 
       Can't load library: /tmp/.cpswt/libswt-gnome-gtk-4234.so
       Can't load library: /tmp/.cpswt/libswt-gnome-gtk.so
       no swt-gnome-gtk-4234 in java.library.path
       no swt-gnome-gtk in java.library.path
       /tmp/.cpswt/libswt-gnome-gtk-4234.so: libgnomevfs-2.so.0: cannot open shared object file: \
          No such file or directory

fatal error in soup_session_feature_detach

CrashPlan Desktop crashes early on with:

# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0x0000003f9fc70061, pid=32513, tid=140595097708288
#
# JRE version: Java(TM) SE Runtime Environment (7.0_45-b18) (build 1.7.0_45-b18)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (24.45-b08 mixed mode linux-amd64 compressed oops)
# Problematic frame:
# C  [libsoup-2.4.so.1+0x70061]  soup_session_feature_detach+0x11

This has been documented by code42[2][3] and they even provide a workaround:

  1. Edit crashplan/bin/run.conf
  2. For GUI_JAVA_OPTS, add the following to: "-Dorg.eclipse.swt.browser.DefaultType=mozilla"

See also:

References