Hi Chris,
I have forwarded you that SO URL to showed you that the scope provided needed
to add it in but after you pointed out I realised it is wrong.
Nope. I am not using jetty run. I right click on Eclipse run on server.
So, the latest happening is that I got an advice from another SO user to put in
the jar from Download jakarta.servlet.jsp-api JAR file with all dependencies
I tried to exploded the jar to see if it contains all the dependencies I need
but all i could find is byte code .class.
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Download jakarta.servlet.jsp-api JAR file with all dependencies
Download jakarta.servlet.jsp-api JAR file ✓ With dependencies ✓ Documentation ✓
Source code
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and Tomcat is able to run. Only thing is that the index.jsp doesn't show up.
It only show localhost:8080/webclientv1/ and the browser appears moving like
waiting.
But, still I got to sort out the dependencies cos I need them for CICD.
Could you advise me what is the full set of dependencies I need ?
Tks.
On Thursday, March 2, 2023 at 01:51:56 AM GMT+8, Christopher Schultz
<ch...@christopherschultz.net> wrote:
Karen,
On 3/1/23 10:21 AM, Karen Goh wrote:
> hi Chris,
> I am following advice from ClassNotFoundException:
> javax.servlet.jsp.JspFactory
> ClassNotFoundException: javax.servlet.jsp.JspFactory
>
> I have a maven-based app that I copied exactly and tried to run mvn jetty:run
> And now getting this error:Cau...
>
> where it says scope provided must be added
> Anwyay, I have removed the scope and the jars that are put in the lib folder
> in WEB-INF, it is no use.
> The same error still persists.
> I removed <scope>provided<scope> on all the Jakarat ee replated dependencies
> as shown in the pom just now.
> Hope you could advise me now.
> Tks.
If you are using jetty:run then you are probably not using Tomcat. >:|
-chris
> On Wednesday, March 1, 2023 at 10:19:18 PM GMT+8, Christopher Schultz
><ch...@christopherschultz.net> wrote:
>
> Karen,
>
> On 3/1/23 09:09, Karen Goh wrote:
>> Hello experts,
>> I need desperate help to fix this java.lang.ClassNotFoundException:
>> jakarta.servlet.jsp.JspFactory
>> Here are my dependencies which I have installed but still Tomcat will still
>> purge out the ClassNotFound error :
>> <dependencies>
>> <dependency>
>> <groupId>com.fasterxml.jackson.core</groupId>
>> <artifactId>jackson-databind</artifactId>
>> <version>2.13.3</version>
>> </dependency>
>> <!--
>>https://mvnrepository.com/artifact/com.squareup.retrofit2/retrofit -->
>> <dependency>
>> <groupId>com.squareup.retrofit2</groupId>
>> <artifactId>retrofit</artifactId>
>> <version>2.9.0</version>
>> </dependency>
>> <dependency>
>> <groupId>com.squareup.retrofit2</groupId>
>> <artifactId>converter-gson</artifactId>
>> <version>2.9.0</version>
>> </dependency>
>> <!-- https://mvnrepository.com/artifact/com.google.code.gson/gson
>>-->
>> <dependency>
>> <groupId>com.google.code.gson</groupId>
>> <artifactId>gson</artifactId>
>> <version>2.10.1</version>
>> </dependency>
>> <!--
>>https://mvnrepository.com/artifact/jakarta.servlet.jsp.jstl/jakarta.servlet.jsp.jstl-api
>> -->
>> <dependency>
>> <groupId>jakarta.servlet.jsp.jstl</groupId>
>> <artifactId>jakarta.servlet.jsp.jstl-api</artifactId>
>> <version>3.0.0</version>
>> <scope>provided</scope>
>> </dependency>
>> <!--
>>https://mvnrepository.com/artifact/jakarta.platform/jakarta.jakartaee-web-api
>>-->
>> <dependency>
>> <groupId>jakarta.platform</groupId>
>> <artifactId>jakarta.jakartaee-web-api</artifactId>
>> <version>10.0.0</version>
>> <scope>provided</scope>
>> </dependency>
>> <dependency>
>> <groupId>jakarta.servlet</groupId>
>> <artifactId>jakarta.servlet-api</artifactId>
>> <version>6.0.0</version>
>> <scope>provided</scope>
>> </dependency>
>> <dependency>
>> <groupId>org.glassfish.web</groupId>
>> <artifactId>jakarta.servlet.jsp.jstl</artifactId>
>> <version>3.0.1</version>
>> <scope>provided</scope>
>> </dependency>
>> <dependency>
>> <groupId>jakarta.el</groupId>
>> <artifactId>jakarta.el-api</artifactId>
>> <version>5.0.0</version>
>> <scope>provided</scope>
>> </dependency>
>>
>> I have even attached the jar - jakarta.servlet.jsp.jstl-3.0.1.jar
>> jakarta.servlet.jsp.jstl-api-3.0.0.jarto the lib folder.
>> Java 17, Eclipse on Windows 10.
>> I am not sure how to tackle this problem, as I need to get an assignment
>> done.Would appreciate advice from this group.Tks.
>
> Your POM shows both jstl artifacts as "provided" meaning they won't be
> downloaded and bundled into your application. I think you actually need
> to allow those to be downloaded as they are not provided by Tomcat (I
> think! I'm no JSTL expert).
>
> But Tomcat definitely ships with a copy of
> jakarta.servlet.jsp.JspFactory so if you are adding a JAR which contains
> that class, you are likely causing a conflict.
>
> Tomcat really should be prohibiting that class from being provided by an
> application, but maybe you have put it somewhere that is confusing the JVM.
>
> Which lib/ folder did you put those JARs into?
>
> -chris
>
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