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                                                          June 24th, 1998
                                                                         
          The Hyperwave Information Server and Tools Patch directory
                                       
1 Available patches

   Important: The content of this directory has slightly changed.
   Especially the patch archives were renamed, their content stayed the
   same. So it's not necessary to download an already installed patch.
   
  1.1 Hyperwave Information Server 4.0
  
    1.1.1 Patch #1
    
   Patch status:
          required. Patch must be applied before an upgrade from 2.x to
          4.0.
          
   Applicable to:
          Hyperwave Information Server 2.x for Windows/NT
          
   Solves problem:
          When upgrading from previous versions of Hyperwave Information
          Server (2.x), the upgrade process of the data residing in the
          Hyperwave database may be incomplete. This patch will fix the
          problem and should be applied to the 2.x database files PRIOR
          to an upgrade to Hyperwave Information Server 4.0.
          
   File:
          ./win32/is40p1.exe
          
    1.1.2 Patch #2
    
   Patch status:
          replaced by patch #3
          
   Applicable to:
          Hyperwave Information Server 4.0 for Windows/NT
          
   Solved Problems:
          When pressing the "Restart Server" button in WaveSetup
          hwservercontrol crashes under some circumstances. This patch
          contains a fixed hwservercontrol.
          
   File:
          ./win32/is40p2.exe
          
    1.1.3 Patch #3
    
   Patch status:
          recommended.
          
   Applicable to:
          Hyperwave Information Server 4.0 for Windows/NT
          
   Solves problem:
          Under some circumstances reorganization of the fulltext index
          stops before being complete. Thus search results can be
          incomplete. Also the Hyperwave CD creation tool can stop
          exporting.
          
          The hwservercontrol process consumes all CPU time when
          WaveSetup is accessed from a remote client.
          
          When pressing the "Restart Server" button in WaveSetup
          hwservercontrol crashes under some circumstances. This patch
          contains a fixed hwservercontrol.
          
          External identification using the NT authority is not
          responding.
          
          This patch replaces patch number 2. Do not apply patch number 2
          after patch number 3!
          
   File:
          ./win32/is40p3.exe.
          
    1.1.4 Patch #4
    
   Patch status:
          required.
          
   Applicable to:
          Hyperwave Information Server 4.0 all platforms
          
   Solves problem:
          
          + Delete and move operations can cause problems with Hyperwave
            Information Server 4.0; especially if the object which is
            deleted or moved is a child of more than one parent the
            collection hierarchy may become slightly inconsistent in some
            rare cases. However, the patch should be applied in all
            cases.
          + Automatic Identification does not work in Hyperwave
            Information Server 4.0.
            
   Files:
          
   AIX 4.3
          ./unix/ibmaix/is40p4.tgz
          
   HP-UX 10.20
          ./unix/hpux/is40p4.tgz
          
   Linux 2.0.x
          ./unix/linux_el/is40p4.tgz
          
   OSF/1 V4.0
          ./unix/alpha_os/is40p4.tgz
          
   Solaris 2.5
          ./unix/sun5/is40p4.tgz
          
   Reliant Unix 5.43
          ./unix/reliant/is40p4.tgz
          
   IRIX 6.x
          ./unix/sgi/is40p4.tgz
          
   Windows NT
          ./win32/is40p4.exe.
          
    1.1.5 Patch #5
    
        Patch status:
                required.
                
        Applicable to:
                Hyperwave Information Server 4.0 all platforms
                
        Solves problem:
                
               o Link, move and delete operations on collections can fail
                 under certain circumstances with Hyperwave Information
                 Server 4.0.
               o If Hyperwave Information Server 4.0 is running out of
                 disk space during reoganization it may happen that your
                 object soup is damaged.
               o With Hyperwave Information Server 4.0 it is possible to
                 change an object of type 'Cluster' to an object of type
                 'Collection'. However, the database may crash during
                 this (in fact, undocumented) operation -- this patch
                 will fix this problem.
                 
        Files:
                
        AIX 4.3
                ./unix/ibmaix/is40p5.tgz
                
        HP-UX 10.20
                ./unix/hpux/is40p5.tgz
                
        Linux 2.0.x
                ./unix/linux_el/is40p5.tgz
                
        OSF/1 V4.0
                ./unix/alpha_os/is40p5.tgz
                
        Solaris 2.5
                ./unix/sun5/is40p5.tgz
                
        Reliant Unix 5.43
                ./unix/reliant/is40p5.tgz
                
        IRIX 6.x
                ./unix/sgi/is40p5.tgz
                
        Windows NT
                ./win32/is40p5.exe.
                
2 Patch installation

  2.1 Windows
  
                All patches in the win32 directory are selfextracting
                archives. To apply the patch:
                
              1. Download the patch into a temporary directory.
              2. Doubleclick on the patch file.
              3. Follow the instructions during the extraction of the
                 file.
                 
  2.2 UNIX
  
              1. Download the patch into a temporary directory.
              2. Change to the Hyperwave Information Server home
                 directory.
              3. Call "gzip -cd <patchfile> | tar xf -" in the Hyperwave
                 Information Server home directory.
              4. Stop the server.
              5. Call ./tartmp/hwinsttar.
              6. Start the server.