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Q&A DocuSign eSignature API SDK: java.lang.NoClassDefFoundError errors.

I am trying to implement DocuSign's eSignature REST API by using Java SDK. I am following instructions here: https://developers.docusign.com/docs/esign-rest-api/sdks/java/setup-and-configuration/ ...

1 answer  ·  posted 1y ago by Vanity Slug ❤️‭  ·  last activity 1y ago by Vanity Slug ❤️‭

#4: Post edited by user avatar Vanity Slug ❤️‭ · 2023-06-16T12:52:50Z (over 1 year ago)
Added maven tag because that's where the problem was.
#3: Post edited by user avatar Vanity Slug ❤️‭ · 2023-06-15T14:05:49Z (over 1 year ago)
Added s.
  • I am trying to implement DocuSign's eSignature REST API by using Java SDK. I am following instructions here:
  • https://developers.docusign.com/docs/esign-rest-api/sdks/java/setup-and-configuration/
  • I created a java project, converted it to Maven, installed DocuSign's SDK (docusign-esign-java-4.3.0.jar) through Maven and wrote this piece of code:
  • ```
  • package myPackage;
  • import com.docusign.esign.client.ApiClient;
  • public class signStuff{
  • public static void main(String[] args) {
  • try {
  • // error happens on the next line
  • ApiClient apiClient = new ApiClient("https://demo.docusign.net/restapi");
  • catch (Exception e) {
  • System.out.println(e.getMessage());
  • }
  • }
  • }
  • ```
  • When I run this code I've been getting 3 types of error:
  • > Exception in thread "main" java.lang.NoClassDefFoundError: org/glassfish/jersey/media/multipart/BodyPart
  • > Exception in thread "main" java.lang.NoClassDefFoundError: com/fasterxml/jackson/databind/util/ISO8601DateFormat
  • > Exception in thread "main" java.lang.NoClassDefFoundError: jakarta/ws/rs/core/GenericType
  • My code does not go into `catch`, it just crushes on `new ApiClient(...)` line.
  • - Why am I getting these error? (Could I be missing some dependencies? DocuSign documentation does not seem to say anything about that).
  • - What can I do to fix these error?
  • - Why am I getting different errors on different runs? (Could it be because of multithreading?).
  • I am trying to implement DocuSign's eSignature REST API by using Java SDK. I am following instructions here:
  • https://developers.docusign.com/docs/esign-rest-api/sdks/java/setup-and-configuration/
  • I created a java project, converted it to Maven, installed DocuSign's SDK (docusign-esign-java-4.3.0.jar) through Maven and wrote this piece of code:
  • ```
  • package myPackage;
  • import com.docusign.esign.client.ApiClient;
  • public class signStuff{
  • public static void main(String[] args) {
  • try {
  • // error happens on the next line
  • ApiClient apiClient = new ApiClient("https://demo.docusign.net/restapi");
  • catch (Exception e) {
  • System.out.println(e.getMessage());
  • }
  • }
  • }
  • ```
  • When I run this code I've been getting 3 types of error:
  • > Exception in thread "main" java.lang.NoClassDefFoundError: org/glassfish/jersey/media/multipart/BodyPart
  • > Exception in thread "main" java.lang.NoClassDefFoundError: com/fasterxml/jackson/databind/util/ISO8601DateFormat
  • > Exception in thread "main" java.lang.NoClassDefFoundError: jakarta/ws/rs/core/GenericType
  • My code does not go into `catch`, it just crushes on `new ApiClient(...)` line.
  • - Why am I getting these errors? (Could I be missing some dependencies? DocuSign documentation does not seem to say anything about that).
  • - What can I do to fix these error?
  • - Why am I getting different errors on different runs? (Could it be because of multithreading?).
#2: Post edited by user avatar Vanity Slug ❤️‭ · 2023-06-15T14:00:43Z (over 1 year ago)
Finished adding info I forgot to add.
  • I am trying to implement DocuSign's eSignature REST API by using Java SDK. I am following instructions here:
  • https://developers.docusign.com/docs/esign-rest-api/sdks/java/setup-and-configuration/
  • I created a java project, converted it to Maven, installed DocuSign's SDK (docusign-esign-java-4.3.0.jar) through Maven and wrote this piece of code:
  • ```
  • package myPackage;
  • import com.docusign.esign.client.ApiClient;
  • public class signStuff{
  • public static void main(String[] args) {
  • try {
  • ApiClient apiClient = new ApiClient("https://demo.docusign.net/restapi"); // error here
  • catch (Exception e) {
  • System.out.println(e.getMessage());
  • }
  • }
  • }
  • ```
  • When I run this code I've been getting 3 types of error:
  • > Exception in thread "main" java.lang.NoClassDefFoundError: org/glassfish/jersey/media/multipart/BodyPart
  • > Exception in thread "main" java.lang.NoClassDefFoundError: com/fasterxml/jackson/databind/util/ISO8601DateFormat
  • > Exception in thread "main" java.lang.NoClassDefFoundError: jakarta/ws/rs/core/GenericType
  • My code
  • - Why am I getting these error? (Could I be missing some dependencies? DocuSign documentation does not seem to say anything about that).
  • - What can I do to fix these error?
  • - Why am I getting different errors on different runs? (Could it be because of multithreading?).
  • I am trying to implement DocuSign's eSignature REST API by using Java SDK. I am following instructions here:
  • https://developers.docusign.com/docs/esign-rest-api/sdks/java/setup-and-configuration/
  • I created a java project, converted it to Maven, installed DocuSign's SDK (docusign-esign-java-4.3.0.jar) through Maven and wrote this piece of code:
  • ```
  • package myPackage;
  • import com.docusign.esign.client.ApiClient;
  • public class signStuff{
  • public static void main(String[] args) {
  • try {
  • // error happens on the next line
  • ApiClient apiClient = new ApiClient("https://demo.docusign.net/restapi");
  • catch (Exception e) {
  • System.out.println(e.getMessage());
  • }
  • }
  • }
  • ```
  • When I run this code I've been getting 3 types of error:
  • > Exception in thread "main" java.lang.NoClassDefFoundError: org/glassfish/jersey/media/multipart/BodyPart
  • > Exception in thread "main" java.lang.NoClassDefFoundError: com/fasterxml/jackson/databind/util/ISO8601DateFormat
  • > Exception in thread "main" java.lang.NoClassDefFoundError: jakarta/ws/rs/core/GenericType
  • My code does not go into `catch`, it just crushes on `new ApiClient(...)` line.
  • - Why am I getting these error? (Could I be missing some dependencies? DocuSign documentation does not seem to say anything about that).
  • - What can I do to fix these error?
  • - Why am I getting different errors on different runs? (Could it be because of multithreading?).
#1: Initial revision by user avatar Vanity Slug ❤️‭ · 2023-06-15T13:58:20Z (over 1 year ago)
DocuSign eSignature API SDK: java.lang.NoClassDefFoundError errors.
I am trying to implement DocuSign's eSignature REST API by using Java SDK. I am following instructions here:

https://developers.docusign.com/docs/esign-rest-api/sdks/java/setup-and-configuration/

I created a java project, converted it to Maven, installed DocuSign's SDK (docusign-esign-java-4.3.0.jar) through Maven and wrote this piece of code:

```
package myPackage;

import com.docusign.esign.client.ApiClient;

public class signStuff{
  public static void main(String[] args) {
    try {
      ApiClient apiClient = new ApiClient("https://demo.docusign.net/restapi"); // error here
     catch (Exception e) {
      System.out.println(e.getMessage());
    }
  }
}
```

When I run this code I've been getting 3 types of error:

> Exception in thread "main" java.lang.NoClassDefFoundError: org/glassfish/jersey/media/multipart/BodyPart

> Exception in thread "main" java.lang.NoClassDefFoundError: com/fasterxml/jackson/databind/util/ISO8601DateFormat

> Exception in thread "main" java.lang.NoClassDefFoundError: jakarta/ws/rs/core/GenericType

My code 

- Why am I getting these error? (Could I be missing some dependencies? DocuSign documentation does not seem to say anything about that).
- What can I do to fix these error?
- Why am I getting different errors on different runs? (Could it be because of multithreading?).