enjoyy2 opened a new issue, #5172:
URL: https://github.com/apache/hop/issues/5172

   ### Apache Hop version?
   
   2.8.0
   
   ### Java version?
   
   17.0.1
   
   ### Operating system
   
   Windows
   
   ### What happened?
   
   user defined java class.
   added the aws sdk v2 s3 dependencies jars into the 
C:\Work\apache-hop-client-2.8.0\hop\plugins\transforms\janino\lib . Created a 
custom java class, to import this packages and did some custom java code for s3 
buckets.
   
   when writing 
   
   // Build the S3 client with dynamic credentials
   S3Client s3 = S3Client.builder()
   .region(Region.US_EAST_1) // Change to your region
    .credentialsProvider(StaticCredentialsProvider.create(sessionCredentials))
    .build();
   
   janino compiler throws: 
   
   CompileException: Line 55, Column 40: Invocation of static interface methods 
only available for target version 8+
   Root cause: CompileException: Line 55, Column 40: Invocation of static 
interface methods only available for target version 8+
   
   i tried both with janino-3.1.11 and janino-3.1.12 .jar files 
   
   when printing out the java version from the same user defined java class 
(System.getProperty("java.version")), i get 17.0.1. so the java used is the 
correct one, but somehow the compiler does not see the correct java version. 
   
   Apache Maven 3.9.9 (8e8579a9e76f7d015ee5ec7bfcdc97d260186937)
   Maven home: C:\Users\dmusat\Downloads\maven-mvnd-1.0.2-windows-amd64\mvn
   Java version: 17.0.1, vendor: Oracle Corporation, runtime: 
C:\Work\openjdk-17.0.1_windows-x64_bin\jdk-17.0.1
   Default locale: en_US, platform encoding: Cp1252
   OS name: "windows 10", version: "10.0", arch: "amd64", family: "windows"
   
   tested out with both 2.8.0 and 2.12.0
   
   dependencies for aws sdk are built with maven with correct java compiler 
version.
   
   <plugin>
       <groupId>org.apache.maven.plugins</groupId>
       <artifactId>maven-compiler-plugin</artifactId>
       <version>3.11.0</version>
       <configuration>
           <source>17</source>
           <target>17</target>
           <release>17</release>
       </configuration>
   </plugin>
   
   manifest:
   Manifest-Version: 1.0
   Created-By: Maven JAR Plugin 3.4.1
   Build-Jdk-Spec: 17
   
   if i run the same code in an eclipse ide, it works as expected.
   
   
![Image](https://github.com/user-attachments/assets/413e12a4-4997-4fa5-8a3a-4d0b32105504)
   
   ### Issue Priority
   
   Priority: 3
   
   ### Issue Component
   
   Component: Transforms


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