2008-08-26
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According to the TLD or the tag file

According to the TLD or the tag file, attribute value is mandatory for tag out http://blog.csdn.net/coolcoolriver/archive/2005/12/07/545920.aspx
2008-08-20
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QuerySyntaxException: unexpected token: ?

org.hibernate.hql.ast.QuerySyntaxException: unexpected token: ? near line 1, column 85 错误：select count(*) from DocInfoData docInfo where docInfo.parent in ? and docInfo.subjectionCode in ? 正确：select count(*) from DocInfoData docInfo where docInfo.parent in (?) and docInfo.subjectionCode in (?) 如果 ...
2008-07-29
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According to TLD or attribute directive in tag

According to TLD or attribute directive in tag file, attribute value does not accept any expressions http://forums.sun.com/thread.jspa?threadID=683007&messageID=3978930 问题：本是想在<c:foreach...>标签里面用<%= CmsManagerFactory.getCmsManagerLocal().getNoDeletedImages(request.getParameter("id")) %>给ite ...
2008-07-29
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java.lang.OutOfMemoryError: Java heap space

java.lang.OutOfMemoryError: Java heap space 附件下载代码，原代码： InputStream is = null; OutputStream os = null; FileData file= cmsMgr.getFile(fileId); // File为附件对象，其中的content属性为java.sql.Blob类型， size为附件大小 os = response.getOutputStream(); is = image.getContent().getBinaryStream(); byte fileContent = new byte[ ...
2008-07-07
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ConcurrentModificationException

(http://www.javaeye.com/topic/124788)当使用 fail-fast iterator 对 Collection 或 Map 进行迭代操作过程中尝试直接修改 Collection / Map 的内容时，即使是在单线程下运行， java.util.ConcurrentModificationException 异常也将被抛出。 　　Iterator 是工作在一个独立的线程中，并且拥有一个 mutex 锁(http://www.cnblogs.com/city22/archive/2007/02/02/638260.html)。 Iterator 被创建之后会建立 ...