It looks like you do not have Commons Codec on the classpath at runtime.
Gary
On Fri, Nov 5, 2021, 07:23 Vandewalle, Francois (GE Power) <
francois.vandewa...@ge.com> wrote:
> Hi !
>
> I am developing with Java 11 (OpenJDK) and have the following runtime
> problem when calling DBUtils.md5Hex()
> Exception in thread "Thread-0" java.lang.NoClassDefFoundError:
> org/apache/commons/codec/digest/DigestUtils
>
> The purpose of my code is very classical: a history-aware save function,
> which only overwrites a file when the content to save differs from the
> content in the existing file (see below).
>
> Surprisingly, compilation works fine.
>
> Does apache commons codec support Java 11 ?
> Am I doing something wrong ?
> Might this be due to a missing dependency ?
>
>
> Best regards,
>
> François Vandewalle
>
>
> public boolean save(String target_file_name){
> try {
> // Check whether the file changed by comparing MD5 hashes
> String md5_existing_file = "";
> try (InputStream in = new FileInputStream(target_file_name)) {
> md5_existing_file = DigestUtils.md5Hex(in);
> }
> String md5_new_content;
> md5_new_content = DigestUtils.md5Hex(file_content);
>
> if (!md5_new_content.equals(md5_existing_file)){
> try (BufferedWriter out = new BufferedWriter(new
> FileWriter(target_file_name, false))) {
> try {
> out.write(file_content);
> }
> catch (IOException ioEx) {
> }
> }
> }
> }
> catch (IOException ioEx){
>
> }
>
> return true;
> }
>
> François Vandewalle
> Systems Engineer / Development & Automation
> GE Power
> Power Conversion
> T +49 30 7622 3818
> F +49 30 7622 3737
> francois.vandewa...@ge.com<mailto:francois.vandewa...@ge.com>
> www.gepowerconversion.com<http://www.gepowerconversion.com/>
>
> Culemeyerstraße 1 | 12277 Berlin, Germany
>
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