title: Tess4J on Ubuntu Linux, UnsatisfiedLinkError
body: <p>I am getting a getting an UnsatisfiedLinkError using Tess4j in Tomcat+Ubuntu(Linux)</p>
  
  <pre><code>java.lang.UnsatisfiedLinkError: Error looking up function 'TessBaseAPICreate': /usr/lib/libtesseract.so.3.0.2: undefined symbol: TessBaseAPICreate
  at com.sun.jna.Function.&lt;init&gt;(Function.java:208)
  at com.sun.jna.NativeLibrary.getFunction(NativeLibrary.java:536)
  at com.sun.jna.NativeLibrary.getFunction(NativeLibrary.java:513)
  at com.sun.jna.NativeLibrary.getFunction(NativeLibrary.java:499)
  </code></pre>
  
  <p>Library is installed via apt-get install tesseract-ocr, Tess4j version is 2.0.0, everything seems to work on a MacOS/OracleJDK1.7(64bits), but not in Ubuntu/Linux/OracleJDK1.7(64bits)</p>
  
  <p>Some stackoverflow-search gives clues about wrong versions or library not present, but the library is right there...</p>
  
  <pre><code>ls -al /usr/lib/libtesseract.so.3.0.2
  -rw-r--r-- 1 root root 4219544 Feb 25  2012 /usr/lib/libtesseract.so.3.0.2
  </code></pre>
  
  <p>Someone with a solution or a hint?</p>