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Thanks for answering my questions. I have about 10k books in my library, mostly in mobi or pdf format. I'm running on 64 bit windows, so maybe that accounts for some extra memory usage.
My NAS is only a plug computer with 128MB memory, so I guess I can forget running on that.
Does anyone know what the following error means? I get it with about 2000 of my books, and it results in empty book*.html and xml files. I have looked in the temp directory when calibre2opds is generating and the xml files causing problems are 0 bytes, which explains the reason for the error. But I cant figure out why they are zero bytes, as this is the first WARN level message in the log. And the books in question look fine in the Calibre library.
7-08-2011 23:41:29,881 [] WARN com.gmail.dpierron.calibre.opds.BooksSubCatalog - java.lang.NullPointerException
07-08-2011 23:41:29,881 [] WARN com.gmail.dpierron.calibre.opds.BooksSubCatalog - ... [3120 - L. Neil Smith]: Lando Calrissian and the Starcave of ThonBoka
07-08-2011 23:41:29,884 [] ERROR com.gmail.dpierron.calibre.opds.HtmlManager - cannot transform C:\Users\menno\AppData\Local\Temp\calibre2opds5234 373867683199796\_catalog2\book\book_16263.xml
javax.xml.transform.TransformerException: javax.xml.transform.TransformerException: java.lang.IllegalStateException: Root element not set
at com.sun.org.apache.xalan.internal.xsltc.trax.Trans formerImpl.transform(Unknown Source)
at com.sun.org.apache.xalan.internal.xsltc.trax.Trans formerImpl.transform(Unknown Source)
at com.gmail.dpierron.calibre.opds.HtmlManager.genera teHtmlFromXml(HtmlManager.java:55)
at com.gmail.dpierron.calibre.opds.HtmlManager.genera teHtmlFromXml(HtmlManager.java:33)
at com.gmail.dpierron.calibre.opds.BooksSubCatalog.ge tBookEntry(BooksSubCatalog.java:683)
at com.gmail.dpierron.calibre.opds.BooksSubCatalog.ge tListOfBooks(BooksSubCatalog.java:398)
at com.gmail.dpierron.calibre.opds.BooksSubCatalog.ge tListOfBooks(BooksSubCatalog.java:191)
at com.gmail.dpierron.calibre.opds.SeriesSubCatalog.g etSeries(SeriesSubCatalog.java:440)
at com.gmail.dpierron.calibre.opds.SeriesSubCatalog.g etContentOfListOfSeries(SeriesSubCatalog.java:213)
at com.gmail.dpierron.calibre.opds.SeriesSubCatalog.g etContentOfListOfSeries(SeriesSubCatalog.java:111)
at com.gmail.dpierron.calibre.opds.AuthorsSubCatalog. getAuthor(AuthorsSubCatalog.java:383)
at com.gmail.dpierron.calibre.opds.AuthorsSubCatalog. getListOfAuthors(AuthorsSubCatalog.java:197)
at com.gmail.dpierron.calibre.opds.AuthorsSubCatalog. getListOfAuthors(AuthorsSubCatalog.java:190)
at com.gmail.dpierron.calibre.opds.AuthorsSubCatalog. getSubCatalogEntry(AuthorsSubCatalog.java:457)
at com.gmail.dpierron.calibre.opds.Catalog.createMain Catalog(Catalog.java:646)
at com.gmail.dpierron.calibre.gui.Mainframe$2.run(Mai nframe.java:258)
at java.lang.Thread.run(Unknown Source)
Caused by: javax.xml.transform.TransformerException: java.lang.IllegalStateException: Root element not set
at com.sun.org.apache.xalan.internal.xsltc.trax.Trans formerImpl.getDOM(Unknown Source)
... 17 more
Caused by: java.lang.IllegalStateException: Root element not set
at org.jdom.Document.getContent(Document.java:408)
at org.jdom.output.SAXOutputter.output(SAXOutputter.j ava:612)
at org.jdom.transform.JDOMSource$DocumentReader.parse (JDOMSource.java:518)
at com.sun.org.apache.xalan.internal.xsltc.dom.XSLTCD TMManager.getDTM(Unknown Source)
at com.sun.org.apache.xalan.internal.xsltc.dom.XSLTCD TMManager.getDTM(Unknown Source)
... 18 more
Cheers
EF
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