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icon8.gif  JAS3 support of HBOOK and ROOT files [message #1323] Wed, 05 December 2007 09:41
mitaroff
Messages: 10
Registered: March 2004
Location: HEPHY Vienna, Austria, EU
Referring to the current "JAS3" version 0.8.3 build 1686 (Feb 1, 2007), and to the older 0.8.3 build 1643 (April 5, 2006), problems occur when opening an HBOOK or ROOT file (the latter created from that HBOOK file by "h2root" version 3.10 or 5.14, respectively, and with default or no compression, respectively). The platforms used are Debian-Linux (current JAS3 version) and MacOS X 10.4 (both versions).

Older JAS3 version 0.8.3 build 1643 (April 5, 2006):

HBOOK file opening = ok
ROOT 3.10 (default) = ok,
ROOT 5.14 (default) = see (2),
ROOT 5.14 (no compr.) = see (2);

Current JAS3 version 0.8.3 build 1686 (Febr. 1, 2007):

HBOOK file opening = see (1),
ROOT 3.10 (default) = ok,
ROOT 5.14 (default) = see (2),
ROOT 5.14 (no compr.) = see (2).

Errors:

(1) "Error during command processing"
Exception:
java.lang.RuntimeException: Error loading native library: freehep-hbook-2.0
at hep.io.hbook.Hbook.doInit(Hbook.java:125) ...
Caused by:
java.lang.UnsatisfiedLinkError: no freehep-hbook-2.0 in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1682) ...

(2) "Error opening file"
Exception:
java.io.IOException: Error during decompression (size=5597/18939)
at hep.io.root.core.RootInputStream.slice(RootInputStream.java: 481) ...
Caused by:
ava.util.zip.DataFormatException: invalid stored block lengths
at java.util.zip.Inflater.inflateBytes(Native Method)
at java.util.zip.Inflater.inflate(Inflater.java:215) ...

In summary:

(1) the current JAS3 version cannot open HBOOK files, whereas the older version can do it;
(2) both JAS3 versions can open ROOT 3.10 files, but cannot open ROOT 5.14 files.

Winfried Mitaroff
(HEPHY Vienna)
 
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