SVN Repository Connection Fails Due to 'You must call Structure.setFieldOrder()'

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Symptoms

While connecting to a SVN repository via svn+ssh using private key authentication, the following exception is reported:

Unable to get info for the repository root for <Repository_Name>
You must call Structure.setFieldOrder() in the base constructor for class
org.tmatesoft.svn.core.internal.util.jna.SVNGnomeKeyring$GnomeKeyringContext
to ensure that JNA can accurately determine your Structure's memory layout.
To avoid this message, either call Structure.setFieldOrder() in your
Structures constructor, or set jna.predictable_field_order=true if you are
certain the VM you are using provides fields in a predictable order.
at com.sun.jna.Structure.getFields(Structure.java:826)
at com.sun.jna.Structure.deriveLayout(Structure.java:905)
at com.sun.jna.Structure.calculateSize(Structure.java:867)
at com.sun.jna.Structure.allocateMemory(Structure.java:343)
at com.sun.jna.Structure.ensureAllocated(Structure.java:324)
Unable to get Repository Root URL for <Repository_URL>
Exception getting FishEye access control
You must call Structure.setFieldOrder() in the base constructor for class
org.tmatesoft.svn.core.internal.util.jna.SVNGnomeKeyring$GnomeKeyringContext
to ensure that JNA can accurately determine your Structure's memory layout.
To avoid this message, either call Structure.setFieldOrder() in your
Structures constructor, or set jna.predictable_field_order=true if you are
certain the VM you are using provides fields in a predictable order.
at com.sun.jna.Structure.getFields(Structure.java:826)
at com.sun.jna.Structure.deriveLayout(Structure.java:905)
at com.sun.jna.Structure.calculateSize(Structure.java:867)
at com.sun.jna.Structure.allocateMemory(Structure.java:343)
at com.sun.jna.Structure.ensureAllocated(Structure.java:324)
Error testing connection.
You must call Structure.setFieldOrder() in the base constructor for class
org.tmatesoft.svn.core.internal.util.jna.SVNGnomeKeyring$GnomeKeyringContext
to ensure that JNA can accurately determine your Structure's memory layout.
To avoid this message, either call Structure.setFieldOrder() in your
Structures constructor, or set jna.predictable_field_order=true if you are
certain the VM you are using provides fields in a predictable order.
at com.sun.jna.Structure.getFields(Structure.java:826)
at com.sun.jna.Structure.deriveLayout(Structure.java:905)
at com.sun.jna.Structure.calculateSize(Structure.java:867)
at com.sun.jna.Structure.allocateMemory(Structure.java:343)
at com.sun.jna.Structure.ensureAllocated(Structure.java:324)
Connection failed.

Cause

JNA was upgraded in Fisheye 2.8.2 as part of the following bug fix:  FE-4286 - Getting issue details... STATUS

The above message is part of a JNA 3.4.2 implementation, as further detailed in this discussion.

Resolution

Option #1

  1. Shutdown Fisheye.
  2. Add -Djna.predictable_field_order=true to the FISHEYE_OPTS environment variable. This will pass the parameter to the JVM.
  3. Start Fisheye.

Option #2

  1. Shutdown Fisheye.

  2. Edit the subversion client configuration file:

    Mac/Linux

    ~/.subversion/config or /etc/subversion/config

    Windows

    %appdata%\subversion\config

    [auth]
store-passwords = no
store-auth-creds = no

    This will disable the credential caching system.

  3. Start Fisheye.
Last modified on Nov 2, 2018

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