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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"gax conflict dependency","articleBody":"Hi,\r\n\r\nI'm trying to use google cloud storage client along with apache beam/dataflow.\r\nThough I'm having some runtime dependency conflicts problems with java-gax library instanciating gcs client.\r\n```\r\nCaused by: java.lang.ClassNotFoundException: com.google.api.gax.retrying.ExceptionRetryAlgorithm\r\n    at java.net.URLClassLoader.findClass (URLClassLoader.java:381)\r\n    at java.lang.ClassLoader.loadClass (ClassLoader.java:424)\r\n    at java.lang.ClassLoader.loadClass (ClassLoader.java:357)\r\n    at java.lang.ClassLoader.defineClass1 (Native Method)\r\n    at java.lang.ClassLoader.defineClass (ClassLoader.java:760)\r\n    at java.security.SecureClassLoader.defineClass (SecureClassLoader.java:142)\r\n    at java.net.URLClassLoader.defineClass (URLClassLoader.java:467)\r\n    at java.net.URLClassLoader.access$100 (URLClassLoader.java:73)\r\n    at java.net.URLClassLoader$1.run (URLClassLoader.java:368)\r\n    at java.net.URLClassLoader$1.run (URLClassLoader.java:362)\r\n    at java.security.AccessController.doPrivileged (Native Method)\r\n    at java.net.URLClassLoader.findClass (URLClassLoader.java:361)\r\n    at java.lang.ClassLoader.loadClass (ClassLoader.java:424)\r\n    at java.lang.ClassLoader.loadClass (ClassLoader.java:357)\r\n    at com.google.cloud.BaseService.\u003cclinit\u003e (BaseService.java:48)\r\n    at com.google.cloud.storage.StorageOptions$DefaultStorageFactory.create (StorageOptions.java:44)\r\n    at com.google.cloud.storage.StorageOptions$DefaultStorageFactory.create (StorageOptions.java:38)\r\n    at com.google.cloud.ServiceOptions.getService (ServiceOptions.java:426)\r\n````\r\nBelow the code calling storage service\r\n```\r\nStorage storage = StorageOptions.getDefaultInstance().getService();\r\n```\r\n\r\nI've tried adding multiple versions of java-gax, excluding it from apache beam dependencies.\r\n\r\n```\r\n    \u003cdependency\u003e\r\n      \u003cgroupId\u003eorg.apache.beam\u003c/groupId\u003e\r\n      \u003cartifactId\u003ebeam-sdks-java-io-google-cloud-platform\u003c/artifactId\u003e\r\n      \u003cversion\u003e${beam.version}\u003c/version\u003e\r\n      \u003cexclusions\u003e\r\n        \u003cexclusion\u003e\r\n          \u003cgroupId\u003ecom.google.api\u003c/groupId\u003e\r\n          \u003cartifactId\u003egax\u003c/artifactId\u003e\r\n        \u003c/exclusion\u003e\r\n      \u003c/exclusions\u003e\r\n    \u003c/dependency\u003e\r\n....\r\n   \u003cdependency\u003e\r\n      \u003cgroupId\u003ecom.google.api\u003c/groupId\u003e\r\n      \u003cartifactId\u003egax\u003c/artifactId\u003e\r\n      \u003cversion\u003e1.21.0\u003c/version\u003e\r\n    \u003c/dependency\u003e\r\n    \u003cdependency\u003e\r\n      \u003cgroupId\u003ecom.google.cloud\u003c/groupId\u003e\r\n      \u003cartifactId\u003egoogle-cloud-storage\u003c/artifactId\u003e\r\n      \u003cversion\u003e1.24.0\u003c/version\u003e\r\n      \u003cexclusions\u003e\r\n        \u003cexclusion\u003e\r\n          \u003cgroupId\u003ecom.google.cloud\u003c/groupId\u003e\r\n          \u003cartifactId\u003egoogle-cloud-core\u003c/artifactId\u003e\r\n        \u003c/exclusion\u003e\r\n        \u003cexclusion\u003e\r\n          \u003cgroupId\u003ecom.google.api\u003c/groupId\u003e\r\n          \u003cartifactId\u003egax-httpjson\u003c/artifactId\u003e\r\n        \u003c/exclusion\u003e\r\n        \u003cexclusion\u003e\r\n          \u003cgroupId\u003ecom.google.auth\u003c/groupId\u003e\r\n          \u003cartifactId\u003egoogle-auth-library-credentials\u003c/artifactId\u003e\r\n        \u003c/exclusion\u003e\r\n      \u003c/exclusions\u003e\r\n    \u003c/dependency\u003e\r\n```\r\nBut still having those dependencies issues :(.\r\n\r\nBelow dependency tree:\r\n```\r\n[INFO] --- maven-dependency-plugin:2.8:tree (default-cli) @ word-count-beam ---\r\n[INFO] org.example:word-count-beam:jar:0.1\r\n[INFO] +- org.apache.beam:beam-sdks-java-core:jar:2.4.0:compile\r\n[INFO] |  +- com.google.code.findbugs:jsr305:jar:3.0.1:compile\r\n[INFO] |  +- com.github.stephenc.findbugs:findbugs-annotations:jar:1.3.9-1:compile\r\n[INFO] |  +- com.fasterxml.jackson.core:jackson-core:jar:2.8.9:compile\r\n[INFO] |  +- com.fasterxml.jackson.core:jackson-annotations:jar:2.8.9:compile\r\n[INFO] |  +- com.fasterxml.jackson.core:jackson-databind:jar:2.8.9:compile\r\n[INFO] |  +- org.apache.avro:avro:jar:1.8.2:compile\r\n[INFO] |  |  +- org.codehaus.jackson:jackson-core-asl:jar:1.9.13:compile\r\n[INFO] |  |  +- org.codehaus.jackson:jackson-mapper-asl:jar:1.9.13:compile\r\n[INFO] |  |  +- com.thoughtworks.paranamer:paranamer:jar:2.7:compile\r\n[INFO] |  |  +- org.apache.commons:commons-compress:jar:1.8.1:compile\r\n[INFO] |  |  \\- org.tukaani:xz:jar:1.5:compile\r\n[INFO] |  \\- org.xerial.snappy:snappy-java:jar:1.1.4:compile\r\n[INFO] +- org.apache.beam:beam-sdks-java-io-google-cloud-platform:jar:2.4.0:compile\r\n[INFO] |  +- org.apache.beam:beam-sdks-java-extensions-google-cloud-platform-core:jar:2.4.0:compile\r\n[INFO] |  |  +- com.google.cloud.bigdataoss:gcsio:jar:1.4.5:compile\r\n[INFO] |  |  +- com.google.apis:google-api-services-cloudresourcemanager:jar:v1-rev6-1.22.0:compile\r\n[INFO] |  |  \\- com.google.apis:google-api-services-storage:jar:v1-rev71-1.22.0:compile\r\n[INFO] |  +- org.apache.beam:beam-sdks-java-extensions-protobuf:jar:2.4.0:compile\r\n[INFO] |  +- io.grpc:grpc-core:jar:1.2.0:compile\r\n[INFO] |  |  +- com.google.errorprone:error_prone_annotations:jar:2.0.11:compile\r\n[INFO] |  |  +- io.grpc:grpc-context:jar:1.2.0:compile\r\n[INFO] |  |  \\- com.google.instrumentation:instrumentation-api:jar:0.3.0:compile\r\n[INFO] |  +- com.google.apis:google-api-services-bigquery:jar:v2-rev374-1.22.0:compile\r\n[INFO] |  +- com.google.api:gax-grpc:jar:0.20.0:compile\r\n[INFO] |  |  +- io.grpc:grpc-protobuf:jar:1.2.0:compile\r\n[INFO] |  |  \\- com.google.auto.value:auto-value:jar:1.2:compile\r\n[INFO] |  +- com.google.cloud:google-cloud-core-grpc:jar:1.2.0:compile\r\n[INFO] |  |  \\- com.google.protobuf:protobuf-java-util:jar:3.2.0:compile\r\n[INFO] |  |     \\- com.google.code.gson:gson:jar:2.7:compile\r\n[INFO] |  +- com.google.apis:google-api-services-pubsub:jar:v1-rev10-1.22.0:compile\r\n[INFO] |  +- com.google.api.grpc:grpc-google-cloud-pubsub-v1:jar:0.1.18:compile\r\n[INFO] |  +- com.google.api.grpc:proto-google-cloud-pubsub-v1:jar:0.1.18:compile\r\n[INFO] |  |  \\- com.google.api.grpc:proto-google-iam-v1:jar:0.1.18:compile\r\n[INFO] |  +- com.google.cloud.bigdataoss:util:jar:1.4.5:compile\r\n[INFO] |  |  +- com.google.api-client:google-api-client-java6:jar:1.20.0:compile\r\n[INFO] |  |  +- com.google.api-client:google-api-client-jackson2:jar:1.20.0:compile\r\n[INFO] |  |  \\- com.google.oauth-client:google-oauth-client-java6:jar:1.20.0:compile\r\n[INFO] |  +- com.google.cloud.datastore:datastore-v1-proto-client:jar:1.4.0:compile\r\n[INFO] |  |  +- com.google.http-client:google-http-client-protobuf:jar:1.20.0:compile\r\n[INFO] |  |  \\- com.google.http-client:google-http-client-jackson:jar:1.20.0:compile\r\n[INFO] |  +- com.google.cloud.datastore:datastore-v1-protos:jar:1.3.0:compile\r\n[INFO] |  |  \\- com.google.api.grpc:grpc-google-common-protos:jar:0.1.0:compile\r\n[INFO] |  +- io.grpc:grpc-auth:jar:1.2.0:compile\r\n[INFO] |  +- io.grpc:grpc-netty:jar:1.2.0:compile\r\n[INFO] |  |  +- io.netty:netty-codec-http2:jar:4.1.8.Final:compile (version selected from constraint [4.1.8.Final,4.1.8.Final])\r\n[INFO] |  |  |  \\- io.netty:netty-codec-http:jar:4.1.8.Final:compile\r\n[INFO] |  |  \\- io.netty:netty-handler-proxy:jar:4.1.8.Final:compile\r\n[INFO] |  |     \\- io.netty:netty-codec-socks:jar:4.1.8.Final:compile\r\n[INFO] |  +- io.netty:netty-handler:jar:4.1.8.Final:compile\r\n[INFO] |  |  +- io.netty:netty-buffer:jar:4.1.8.Final:compile\r\n[INFO] |  |  |  \\- io.netty:netty-common:jar:4.1.8.Final:compile\r\n[INFO] |  |  +- io.netty:netty-transport:jar:4.1.8.Final:compile\r\n[INFO] |  |  |  \\- io.netty:netty-resolver:jar:4.1.8.Final:compile\r\n[INFO] |  |  \\- io.netty:netty-codec:jar:4.1.8.Final:compile\r\n[INFO] |  +- io.grpc:grpc-stub:jar:1.2.0:compile\r\n[INFO] |  +- io.grpc:grpc-all:jar:1.2.0:compile\r\n[INFO] |  |  +- io.grpc:grpc-okhttp:jar:1.2.0:compile\r\n[INFO] |  |  |  +- com.squareup.okhttp:okhttp:jar:2.5.0:compile\r\n[INFO] |  |  |  \\- com.squareup.okio:okio:jar:1.6.0:compile\r\n[INFO] |  |  +- io.grpc:grpc-protobuf-lite:jar:1.2.0:compile\r\n[INFO] |  |  \\- io.grpc:grpc-protobuf-nano:jar:1.2.0:compile\r\n[INFO] |  |     \\- com.google.protobuf.nano:protobuf-javanano:jar:3.0.0-alpha-5:compile\r\n[INFO] |  +- com.google.cloud:google-cloud-core:jar:1.0.2:compile\r\n[INFO] |  |  \\- org.json:json:jar:20160810:compile\r\n[INFO] |  +- com.google.cloud:google-cloud-spanner:jar:0.20.0b-beta:compile\r\n[INFO] |  |  +- com.google.api.grpc:proto-google-cloud-spanner-v1:jar:0.1.11b:compile\r\n[INFO] |  |  +- com.google.api.grpc:proto-google-cloud-spanner-admin-instance-v1:jar:0.1.11:compile\r\n[INFO] |  |  +- com.google.api.grpc:grpc-google-cloud-spanner-v1:jar:0.1.11b:compile\r\n[INFO] |  |  +- com.google.api.grpc:grpc-google-cloud-spanner-admin-database-v1:jar:0.1.11:compile\r\n[INFO] |  |  +- com.google.api.grpc:grpc-google-cloud-spanner-admin-instance-v1:jar:0.1.11:compile\r\n[INFO] |  |  \\- com.google.api.grpc:grpc-google-longrunning-v1:jar:0.1.11:compile\r\n[INFO] |  |     \\- com.google.api.grpc:proto-google-longrunning-v1:jar:0.1.11:compile\r\n[INFO] |  +- com.google.cloud.bigtable:bigtable-protos:jar:1.0.0-pre3:compile\r\n[INFO] |  +- com.google.cloud.bigtable:bigtable-client-core:jar:1.0.0:compile\r\n[INFO] |  |  +- commons-logging:commons-logging:jar:1.2:compile\r\n[INFO] |  |  +- com.google.auth:google-auth-library-appengine:jar:0.7.0:compile\r\n[INFO] |  |  +- io.opencensus:opencensus-contrib-grpc-util:jar:0.7.0:compile\r\n[INFO] |  |  \\- io.dropwizard.metrics:metrics-core:jar:3.1.2:compile\r\n[INFO] |  +- com.google.http-client:google-http-client-jackson2:jar:1.22.0:compile\r\n[INFO] |  +- com.google.auth:google-auth-library-credentials:jar:0.7.1:compile\r\n[INFO] |  +- com.google.auth:google-auth-library-oauth2-http:jar:0.7.1:compile\r\n[INFO] |  +- com.google.protobuf:protobuf-java:jar:3.2.0:compile\r\n[INFO] |  +- io.netty:netty-tcnative-boringssl-static:jar:1.1.33.Fork26:compile\r\n[INFO] |  +- com.google.api.grpc:proto-google-cloud-spanner-admin-database-v1:jar:0.1.9:compile\r\n[INFO] |  \\- com.google.api.grpc:proto-google-common-protos:jar:0.1.9:compile\r\n[INFO] +- org.apache.beam:beam-examples-java:jar:2.4.0:compile\r\n[INFO] |  \\- com.google.oauth-client:google-oauth-client:jar:1.22.0:compile\r\n[INFO] +- com.google.api-client:google-api-client:jar:1.22.0:compile\r\n[INFO] +- com.google.http-client:google-http-client:jar:1.22.0:compile\r\n[INFO] |  \\- org.apache.httpcomponents:httpclient:jar:4.0.1:compile\r\n[INFO] |     +- org.apache.httpcomponents:httpcore:jar:4.0.1:compile\r\n[INFO] |     \\- commons-codec:commons-codec:jar:1.3:compile\r\n[INFO] +- joda-time:joda-time:jar:2.4:compile\r\n[INFO] +- com.google.guava:guava:jar:20.0:compile\r\n[INFO] +- org.slf4j:slf4j-api:jar:1.7.25:compile\r\n[INFO] +- org.slf4j:slf4j-jdk14:jar:1.7.25:runtime\r\n[INFO] +- org.hamcrest:hamcrest-core:jar:1.3:compile\r\n[INFO] +- org.hamcrest:hamcrest-library:jar:1.3:compile\r\n[INFO] +- junit:junit:jar:4.12:compile\r\n[INFO] +- org.apache.beam:beam-runners-direct-java:jar:2.4.0:runtime\r\n[INFO] |  \\- org.apache.beam:beam-runners-local-java-core:jar:2.4.0:runtime\r\n[INFO] +- org.mockito:mockito-core:jar:1.9.5:test\r\n[INFO] |  \\- org.objenesis:objenesis:jar:1.0:test\r\n[INFO] +- com.google.api:gax:jar:1.21.0:compile\r\n[INFO] |  +- org.threeten:threetenbp:jar:1.3.3:compile\r\n[INFO] |  \\- com.google.api:api-common:jar:1.5.0:compile\r\n[INFO] +- com.google.cloud:google-cloud-storage:jar:1.24.0:compile\r\n[INFO] |  \\- com.google.cloud:google-cloud-core-http:jar:1.24.0:compile\r\n[INFO] |     +- com.google.http-client:google-http-client-appengine:jar:1.23.0:compile\r\n[INFO] |     +- io.opencensus:opencensus-api:jar:0.11.1:compile\r\n[INFO] |     \\- io.opencensus:opencensus-contrib-http-util:jar:0.11.1:compile\r\n[INFO] \\- org.ahocorasick:ahocorasick:jar:0.4.0:compile\r\n```\r\n\r\nCould you help us with this issue?\r\n\r\nThanks!","author":{"url":"https://github.com/lboudard","@type":"Person","name":"lboudard"},"datePublished":"2018-03-29T08:34:48.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/3105/google-cloud-java/issues/3105"}