Can't help you there as I do not own that book. > -----Original Message----- > From: Etienne [mailto:[EMAIL PROTECTED]] > Sent: Thursday, February 06, 2003 11:17 AM > To: 'Tomcat Users List' > Subject: RE: Bug? in Tomcat 4.1.18 with TagLib > > > Does it mean that all the tag lib from the Manning Book are > wrong with theses TagLib specs? The manning tag lib will > never work on the 4.1.18 environment. > > > E.L. > > > -----Original Message----- > From: John Trollinger [mailto:[EMAIL PROTECTED]] > Sent: February 6, 2003 8:40 AM > To: 'Tomcat Users List' > Subject: RE: Bug? in Tomcat 4.1.18 with TagLib > > This is because of tag pooling. > > Please see > http://issues.apache.org/bugzilla/show_bug.cgi?id=13392 or > http://issues.apache.org/bugzilla/show_bug.cgi?id=16001 or > http://issues.apache.org/bugzilla/show_bug.cgi?id=10220 > > And there are lots more. > > John > > > -----Original Message----- > > From: Etienne [mailto:[EMAIL PROTECTED]] > > Sent: Thursday, February 06, 2003 8:30 AM > > To: [EMAIL PROTECTED] > > Subject: Bug? in Tomcat 4.1.18 with TagLib > > > > > > Hi, > > > > I am new to this list, and I add problem retrieving archive, > > so sorry if that question was already answered. > > > > My web application was running on tomcat 3,2 and 4.0.3 it was > > running well. Now that I have switch to Tomcat 4.1.18 I have > > a strange problem with one of my custom tag. It seems that > > the local variables in the > > doStartTag() method are not cleared after the tag, something > > is not calling the clearProperties() method at the end of > > each tag. But if I put clearProperties() inside the > > doStartTag(), it is working better. But I cannot still get a > > random number for each image. The main idea is that every tag > > on the page is using the same value for some variable. It > > shouldn't happen. Any idea? > > > > By the way, I think I can fix it by clearing each value in > > the doStartTag(), but I still don't understand why is was > > working on Tomcat 3.2, 4.0.3 and not and 4.1.8. The specs > > says that the variables should be clean with the > > clearProperties() after the end of the tag. Is there a > > problem of configuration on my side? > > > > Here's the code, I use the Manning "Jsp Tag Library" classes > > as a base. > > > > package my.taglib.html; > > > > import my.taglib.util.LocalStrings; > > import my.taglib.util.ExTagSupport; > > import java.util.Properties; > > import javax.servlet.jsp.JspException; > > import javax.servlet.jsp.JspTagException; > > import java.util.Random; > > public class DwRollTag extends ExTagSupport { > > > > static LocalStrings ls = > > LocalStrings.getLocalStrings(TestHtmlTag.class); > > protected String url = null; > > protected String imgid = null; > > protected String image = null; > > protected String imageOut = null; > > > > public void setUrl(String url) {this.url = url;} > > public void setImgid(String imgid) {this.imgid = imgid;} > > public void setImage(String image) {this.image = image;} > > public void setImageOut(String imageOut) {this.imageOut = > > imageOut;} > > > > > > public int doStartTag() throws JspException{ > > > > if(null==url){url = "";} > > if(null==image){image = ""; imageOut="";} > > if(imgid == null){ imgid = getRandom();} > > if(imageOut == null){imageOut = getImageOut(image);} > > System.err.println(" image :" + image + ", url : > > " + url + ", imgid : " + imgid+ ", imageOut : " + imageOut); > > > > try { > > pageContext.getOut().print(getImageRoll(url, > > imgid, image, imageOut)); > > } catch(java.io.IOException ioe) { > > > > // User probably disconnected ... > > log(ls.getStr("error"), ioe); > > throw new JspTagException(ls.getStr("error")); > > } > > > > return SKIP_BODY; > > } > > > > protected String getRandom(){ > > Random wheel = new Random() ; > > int unique = ( wheel.nextInt() & Integer.MAX_VALUE ) > > %900000 + 100000 ; > > return "" + unique; > > } > > > > /** > > * short version of getImageRoll, locationOut is named form > > the location in + a "_over" just > > * before the file extention > > * > > * @param name > > * @param locationIn > > * @return > > */ > > public String getImageOut(String image){ > > String imageOut; > > int length = image.length(); > > int dot = image.lastIndexOf("."); > > String first = ""; > > String last = ".gif"; > > if(dot!=-1){ > > first = image.substring(0,dot); > > last = image.substring(dot, length); > > } > > imageOut = first+"_over"+last; > > return imageOut; > > } > > > > /** > > * getImageRoll return a typical rollover statement used by a > > standard javascript function "changeImage()" > > * @param name > > * @param locationIn > > * @param locationOut > > * @return > > */ > > public String getImageRoll(String url, > > String imgid, > > String image, > > String imageOut){ > > > > String retString = "<a href=\""+url+"\" > > onMouseOut=\"MM_swapImgRestore()\" > > onMouseOver=\"MM_swapImage('"+imgid+"','','"+imageOut+"',1)\"><img > > name=\""+imgid+"\" border=\"0\" src=\""+image+"\"></a>"; > > return retString; > > } > > > > > > protected void clearProperties(){ > > url = null; > > imgid = null; > > image = null; > > imageOut = null; > > super.clearProperties(); > > } > > > > } > > > > > > > > tks > > > > E. L. > > [EMAIL PROTECTED] > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] >
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