While using HTML Tidy I needed to remove the DOCTYPE prolog to prevent ‘org.xml.sax.SAXParseException: Already seen doctype.’ exception. Regex is quite simple, only catch is that we need to make sure we include the \n\r in our selecton and make it not greedy. convertedData = convertedData.replaceAll("<!DOCTYPE((.|\n|\r)*?)\">", ""); convertedData = convertedData.replaceAll("<!DOCTYPE((.|\n|\r)*?)\">", ""); This will consume multiline …
This is snipper of my ANTLR grammar for parsing expressions with operator precedence, By default the expressions are evaluated left to right which in some cases may produce undesired results, in order to fix that use of left and right parenthesis is required. For example this two expressions will be evaluated differently 3 > 2 …
To work around this error Custom port is not allowed or the host is not registered with this consumer key. Register the app as Desktop/Client application instead of web app.
Simply adding @Transactional on the method will resolve this issue
For cross compatability between sql and mysql servers when we do a division on a aggregated variable like count we need to promote the INT to a DOUBLE type by multiplying it by 1.00 otherwise our results will loose precision Examples 1/2=0 Incorrect Results 1.00/2=.5 or 1.00/2.00=.5 Good For sake of consistency both variables have …
Detecting Wide Area Network(WAN) IP programmatically This is a reliable way to detect WAN IP address from Java, cpp or any other programming language. Motivation for this was my need to update my DNS server automatically, presented code will be in Java I have decided to use Java for cross-platform support and its my favorite …
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While upgrading machines I have upgraded to run jdk 1.6 which have screwed up compiling of my reports with following error. C:\Program Files (x86)\Java\jdk1.6.0_24\jre\lib\endorsed Source File:c:/Users/greg/report2.jrxml Exception in thread "main" net.sf.jasperreports.engine.JRRuntimeException: Error creating SAX parser at net.sf.jasperreports.engine.xml.JRReportSaxParserFactory.createParser(JRReportSaxParserFactory.java:109) at net.sf.jasperreports.engine.xml.JRXmlDigesterFactory.createParser(JRXmlDigesterFactory.java:1320) at net.sf.jasperreports.engine.xml.JRXmlDigesterFactory.createDigester(JRXmlDigesterFactory.java:1295) at net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:199) at net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:164) at net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:148) at net.sf.jasperreports.engine.JasperCompileManager.compileReportToFile(JasperCompileManager.java:85) at com.americanbanksystems.complianceproreports.util.CompileReport.compileReport(CompileReport.java:133) at com.americanbanksystems.complianceproreports.util.CompileReport.main(CompileReport.java:189) Caused by: …
While starting Nexus I was getting following error, this was on a machine that was running at 1GB of memory. Error occurred during initialization of VM Could not reserve enough space for object heap So the solution was to edit /usr/local/nexus/bin/jws/wrapper.conf and add wrapper.java.additional.4=-Xmx128m parameter this setup java to use only 128mb of memory for …
This is my helper method for invoking webservices from java. One bonus perk is that this handles the exception when we are using self signed certificates by providing our own HostnameVerifier. This could be more generalized but all I needed was to invoke this one server. /** * Invoke webservice to retrive data * * …
This code will detach a entity from hibernate Entitymanger making it thus unmanaged entity. // Prepare workbook object to be used for cloning. Session session = (Session) entityManager.getDelegate(); session.evict(workbook); // same as detached workbook.setId(null);// Prepare workbook object to be used for cloning. Session session = (Session) entityManager.getDelegate(); session.evict(workbook); // same as detached workbook.setId(null);
