How is this supposed to help me? I have a program using the Tesseract library to do OCR and then process the resulting text; I don't need a GUI front end.
On Thu, Sep 22, 2022 at 10:09 PM Quan Nguyen <nguyen...@gmail.com> wrote: > You may want to try VietOCR, a Java desktop app that uses Tess4J. It works > with Java 8, 18, and probably 11 too. > > http://vietocr.sf.net > > On Thursday, September 22, 2022 at 7:10:54 AM UTC-5 rcja...@gmail.com > wrote: > >> I am running a Java desktop application on Windows 10 Pro using Tess4j; >> it was working fine with Java 1.8, am now trying to get it to run with Java >> 11 (11.0.15.1). When it calls >> net.sourceforge.tess4j.Tesseract.doOCR(BufferedImage >> bi), it gets a Throwable ExceptionInInitializerError, with a 'cause' >> exception indicating a call to >> net.sourceforge.tess4j.util.LoadLibs.getTesseractLibName(). >> >> Oddly enough, the application works fine from within eclipse, but fails >> running on its own (for instance, running "java -jar program.jar" from a >> cmd window). As I said, it was running with Java 1.8, and I might be able >> to get it running again by uninstalling Java and reinstalling that JRE, but >> there are other people that are going to use the application and it is not >> reasonable to expect them to use a Java version that is that old. >> >> I had the Maven dependency: >> >> <groupId>net.sourceforge.tess4j</groupId> >> <artifactId>tess4j</artifactId> >> <version>4.4.1</version> >> >> The only copy of tess4j-4.1.1.jar on my hard drive is in my >> .m2\repository\net\sourceforge\tess4j\tess4j\4.4.1. I have twice deleted it >> and updated my maven configuration to restore it, to insure it is not >> corrupted. >> >> I noticed that this is not the most recent Tess4j, so updated the >> dependency to 5.4.0 and rebuilt. This has the same results: works in >> eclipse, not from command line. >> >> The ExceptionInInitializerError is caused by an IllegalStateException: >> zip file closed error. Documentation indicates this could be a corrupted >> jar file or something similar. I don't know what jar file could be involved >> except the tess4j, and I've replaced that twice as I've said. >> >> I've also tried this with two versions of the Tesseract-OCR dll -- >> 5.0.1.20220118 and v5.2.0.20220712; they were both installed for "anyone on >> this computer" with default options. They give the same results. >> >> Can someone help me figure out what's wrong? >> >> Stack trace: >> >> java.lang.ExceptionInInitializerError >> at net.sourceforge.tess4j.Tesseract.init(Tesseract.java:427) >> at net.sourceforge.tess4j.Tesseract.doOCR(Tesseract.java:311) >> at net.sourceforge.tess4j.Tesseract.doOCR(Tesseract.java:294) >> at net.sourceforge.tess4j.Tesseract.doOCR(Tesseract.java:275) >> at net.sourceforge.tess4j.Tesseract.doOCR(Tesseract.java:259) >> at >> drivingrecordtool.file.DrivingRecordPDFTextReader.getOCRText(DrivingRecordPDFTextReader.java:152) >> at >> drivingrecordtool.file.DrivingRecordPDFTextReader.getText(DrivingRecordPDFTextReader.java:46) >> at >> drivingrecordtool.file.DrivingRecordFileReader.doInBackground(DrivingRecordFileReader.java:78) >> at >> drivingrecordtool.file.DrivingRecordFileReader.doInBackground(DrivingRecordFileReader.java:1) >> at >> java.desktop/javax.swing.SwingWorker$1.call(SwingWorker.java:304) >> at >> java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) >> at java.desktop/javax.swing.SwingWorker.run(SwingWorker.java:343) >> at >> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) >> at >> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) >> at java.base/java.lang.Thread.run(Thread.java:834) >> Caused by: java.lang.IllegalStateException: zip file closed >> at java.base/java.util.zip.ZipFile.ensureOpen(ZipFile.java:913) >> at java.base/java.util.zip.ZipFile.getEntry(ZipFile.java:348) >> at java.base/java.util.zip.ZipFile$1.getEntry(ZipFile.java:1130) >> at java.base/java.util.jar.JarFile.getEntry0(JarFile.java:586) >> at java.base/java.util.jar.JarFile.getEntry(JarFile.java:516) >> at >> java.base/sun.net.www.protocol.jar.URLJarFile.getEntry(URLJarFile.java:131) >> at java.base/java.util.jar.JarFile.getJarEntry(JarFile.java:478) >> at >> java.base/jdk.internal.loader.URLClassPath$JarLoader.getResource(URLClassPath.java:945) >> at >> java.base/jdk.internal.loader.URLClassPath.getResource(URLClassPath.java:315) >> at >> java.base/java.net.URLClassLoader$1.run(URLClassLoader.java:455) >> at >> java.base/java.net.URLClassLoader$1.run(URLClassLoader.java:452) >> at java.base/java.security.AccessController.doPrivileged(Native >> Method) >> at >> java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:451) >> at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:588) >> at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521) >> at >> net.sourceforge.tess4j.util.LoadLibs.getTesseractLibName(LoadLibs.java:95) >> at >> net.sourceforge.tess4j.util.LoadLibs.getTessAPIInstance(LoadLibs.java:85) >> at net.sourceforge.tess4j.TessAPI.<clinit>(TessAPI.java:42) >> ... 15 more >> >> -- > You received this message because you are subscribed to a topic in the > Google Groups "tesseract-ocr" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/tesseract-ocr/sk9j5bRLgXw/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > tesseract-ocr+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/tesseract-ocr/4f8fad3a-a091-4521-9c1b-2dbf747e99f5n%40googlegroups.com > <https://groups.google.com/d/msgid/tesseract-ocr/4f8fad3a-a091-4521-9c1b-2dbf747e99f5n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. 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