Update Jenkinsfile

Revert to simple if condition check

Jenkinsfile

@@ -58,25 +58,29 @@ pipeline {
                         }
                     }
 
-                    echo "*** File: ${javadocsArtifact}, group: ${pom.groupId}, packaging: ${pom.packaging}, version ${pom.version}";
-                    echo "*** File: ${jarWithSourcesArtifact}, group: ${pom.groupId}, packaging: ${pom.packaging}, version ${pom.version}";
-                    echo "*** File: ${jarArtifact}, group: ${pom.groupId}, packaging: ${pom.packaging}, version ${pom.version}";
+                    if (fileExists(javadocsArtifact) && fileExists(jarWithSourcesArtifact) && fileExists(jarArtifact)) {
+                        echo "*** File: ${javadocsArtifact}, group: ${pom.groupId}, packaging: ${pom.packaging}, version ${pom.version}";
+                        echo "*** File: ${jarWithSourcesArtifact}, group: ${pom.groupId}, packaging: ${pom.packaging}, version ${pom.version}";
+                        echo "*** File: ${jarArtifact}, group: ${pom.groupId}, packaging: ${pom.packaging}, version ${pom.version}";
 
-                    nexusArtifactUploader(
-                        nexusVersion: NEXUS_VERSION,
-                        protocol: NEXUS_PROTOCOL,
-                        nexusUrl: NEXUS_URL,
-                        groupId: pom.groupId,
-                        version: pom.version,
-                        repository: NEXUS_REPOSITORY,
-                        credentialsId: NEXUS_CREDENTIAL_ID,
-                        artifacts: [
-                           [artifactId: pom.artifactId, classifier: 'normal', file: jarArtifact, type: pom.packaging],
-                           [artifactId: pom.artifactId, classifier: 'javadocs', file: javadocsArtifact, type: pom.packaging],
-                           [artifactId: pom.artifactId, classifier: 'sources', file: jarWithSourcesArtifact, type: pom.packaging],
-                           [artifactId: pom.artifactId, classifier: '', file: "pom.xml", type: "pom"]
-                        ]
-                    )
+                        nexusArtifactUploader(
+                            nexusVersion: NEXUS_VERSION,
+                            protocol: NEXUS_PROTOCOL,
+                            nexusUrl: NEXUS_URL,
+                            groupId: pom.groupId,
+                            version: pom.version,
+                            repository: NEXUS_REPOSITORY,
+                            credentialsId: NEXUS_CREDENTIAL_ID,
+                            artifacts: [
+                               [artifactId: pom.artifactId, classifier: 'normal', file: jarArtifact, type: pom.packaging],
+                               [artifactId: pom.artifactId, classifier: 'javadocs', file: javadocsArtifact, type: pom.packaging],
+                               [artifactId: pom.artifactId, classifier: 'sources', file: jarWithSourcesArtifact, type: pom.packaging],
+                               [artifactId: pom.artifactId, classifier: '', file: "pom.xml", type: "pom"]
+                            ]
+                        )
+                    } else {
+                        error "*** Files could not be found";
+                    }
                 }
             }
         }