GoogleドライブのプラグインでNoClassDefFoundError

・環境
CentOS 7
Java11
ElasticSearch 7.5.1
FESS 13.6.3
fess-ds-gsuite 13.6.0

・現象
fess-ds-gsuiteのプラグインから、GoogleUtilsのライブラリが読み込めておらず、エラーが発生しています。アドバイスお願いできますでしょうか?

・ログ(fess-crawler.log )

2020-05-23 04:48:51,994 [main] INFO  ...Loading specified properties and get by the key: fess_env_crawler.properties, lasta_di.smart.deploy.mode
2020-05-23 04:48:52,007 [main] INFO  ...Setting smart deploy mode: warm
2020-05-23 04:48:52,074 [main] INFO  ...Reading lasta_di.xml
2020-05-23 04:48:52,164 [main] INFO  ...Reading   redefiner.xml
2020-05-23 04:48:52,288 [main] INFO  ...Reading   smartdeploy.xml
2020-05-23 04:48:52,396 [main] INFO  ...Reading     smart/warmdeploy.xml
2020-05-23 04:48:52,418 [main] INFO  ...Reading       convention.xml
2020-05-23 04:48:52,425 [main] INFO  ...Reading         embedded_convention.xml
2020-05-23 04:48:52,475 [main] INFO  ...Reading       creator.xml
2020-05-23 04:48:52,480 [main] INFO  ...Reading         convention.xml (recycle)
2020-05-23 04:48:52,480 [main] INFO  ...Reading         customizer.xml
2020-05-23 04:48:52,497 [main] INFO  ...Reading           lastafw_customizer.xml
2020-05-23 04:48:52,524 [main] INFO  ...Reading           embedded_customizer.xml
2020-05-23 04:48:52,536 [main] INFO  ...Reading             tx_customizer.xml
2020-05-23 04:48:52,580 [main] INFO  ...Reading         my_creator.xml
2020-05-23 04:48:52,590 [main] INFO  ...Reading         lastafw_creator.xml
2020-05-23 04:48:52,594 [main] INFO  ...Reading           convention.xml (recycle)
2020-05-23 04:48:52,594 [main] INFO  ...Reading           customizer.xml (recycle)
2020-05-23 04:48:52,620 [main] INFO  ...Reading         embedded_creator.xml
2020-05-23 04:48:52,640 [main] INFO  ...Reading           convention.xml (recycle)
2020-05-23 04:48:52,641 [main] INFO  ...Reading           customizer.xml (recycle)
2020-05-23 04:48:52,647 [main] INFO  ...Reading       customizer.xml (recycle)
2020-05-23 04:48:52,725 [main] INFO  ...Reading app.xml
2020-05-23 04:48:52,745 [main] INFO  ...Reading   convention.xml
2020-05-23 04:48:52,751 [main] INFO  ...Reading     embedded_convention.xml
2020-05-23 04:48:52,777 [main] INFO  ...Reading   lastaflute_core.xml
2020-05-23 04:48:52,782 [main] INFO  ...Reading     lastaflute_assist.xml
2020-05-23 04:48:52,803 [main] INFO  ...Reading       lastaflute_director.xml
2020-05-23 04:48:53,118 [main] INFO  ...Reading   fess.xml
2020-05-23 04:48:53,138 [main] INFO  ...Reading     fess_config.xml
2020-05-23 04:48:53,166 [main] INFO  ...Reading     fess_ds.xml
2020-05-23 04:48:53,188 [main] INFO  ...Reading       jar:file:/usr/share/fess/app/WEB-INF/plugin/fess-ds-gsuite-13.6.0.jar!/fess_ds++.xml
2020-05-23 04:48:53,215 [main] INFO  ...Reading     esflute_config.xml
2020-05-23 04:48:53,220 [main] INFO  ...Reading       esclient.xml
2020-05-23 04:48:53,753 [main] INFO  ...Reading     esflute_user.xml
2020-05-23 04:48:53,775 [main] INFO  ...Reading       esclient.xml (recycle)
2020-05-23 04:48:53,815 [main] INFO  ...Reading     esflute_log.xml
2020-05-23 04:48:53,820 [main] INFO  ...Reading       esclient.xml (recycle)
2020-05-23 04:48:56,534 [main] INFO  ...Reading   crawler_es.xml
2020-05-23 04:48:56,539 [main] INFO  ...Reading     crawler/container.xml
2020-05-23 04:48:56,561 [main] INFO  ...Reading     crawler/client.xml
2020-05-23 04:48:56,565 [main] INFO  ...Reading       crawler/container.xml (recycle)
2020-05-23 04:48:56,565 [main] INFO  ...Reading       crawler/robotstxt.xml
2020-05-23 04:48:56,586 [main] INFO  ...Reading         crawler/container.xml (recycle)
2020-05-23 04:48:56,590 [main] INFO  ...Reading       crawler/contentlength.xml
2020-05-23 04:48:56,616 [main] INFO  ...Reading         crawler/container.xml (recycle)
2020-05-23 04:48:56,618 [main] INFO  ...Reading       crawler/mimetype.xml
2020-05-23 04:48:56,622 [main] INFO  ...Reading         crawler/container.xml (recycle)
2020-05-23 04:48:56,829 [main] INFO  ...Reading     crawler/rule.xml
2020-05-23 04:48:56,833 [main] INFO  ...Reading       crawler/container.xml (recycle)
2020-05-23 04:48:56,833 [main] INFO  ...Reading       crawler/transformer.xml
2020-05-23 04:48:56,853 [main] INFO  ...Reading         crawler/transformer_basic.xml
2020-05-23 04:48:56,857 [main] INFO  ...Reading           crawler/container.xml (recycle)
2020-05-23 04:48:56,960 [main] INFO  ...Reading     crawler/filter.xml
2020-05-23 04:48:56,965 [main] INFO  ...Reading       crawler/container.xml (recycle)
2020-05-23 04:48:56,968 [main] INFO  ...Reading     crawler/interval.xml
2020-05-23 04:48:56,987 [main] INFO  ...Reading       crawler/container.xml (recycle)
2020-05-23 04:48:56,989 [main] INFO  ...Reading     crawler/extractor.xml
2020-05-23 04:48:56,993 [main] INFO  ...Reading       crawler/container.xml (recycle)
2020-05-23 04:48:57,014 [main] INFO  ...Reading       crawler/extractor+tikaExtractor.xml
2020-05-23 04:48:57,017 [main] INFO  ...Reading         crawler/container.xml
2020-05-23 04:48:57,109 [main] INFO  ...Reading     crawler/mimetype.xml (recycle)
2020-05-23 04:48:57,110 [main] INFO  ...Reading     crawler/encoding.xml
2020-05-23 04:48:57,138 [main] INFO  ...Reading       crawler/container.xml (recycle)
2020-05-23 04:48:57,153 [main] INFO  ...Reading     crawler/urlconverter.xml
2020-05-23 04:48:57,157 [main] INFO  ...Reading       crawler/container.xml (recycle)
2020-05-23 04:48:57,159 [main] INFO  ...Reading     crawler/log.xml
2020-05-23 04:48:57,162 [main] INFO  ...Reading       crawler/container.xml (recycle)
2020-05-23 04:48:57,169 [main] INFO  ...Reading     crawler/sitemaps.xml
2020-05-23 04:48:57,172 [main] INFO  ...Reading       crawler/container.xml (recycle)
2020-05-23 04:48:57,176 [main] INFO  ...Reading     crawler/es.xml
2020-05-23 04:48:57,233 [main] INFO  ...Reading     crawler_es+crawlerThread.xml
2020-05-23 04:48:57,282 [main] INFO  ...Reading     crawler_es+crawlerConfig.xml
2020-05-23 04:48:57,301 [main] INFO  ...Reading   fess_thumbnail.xml
2020-05-23 04:48:57,953 [main] INFO  [Objective Config]
2020-05-23 04:48:57,953 [main] INFO   fess_config.properties extends [fess_env_crawler.properties]
2020-05-23 04:48:57,953 [main] INFO   checkImplicitOverride=true, propertyCount=458
2020-05-23 04:48:58,061 [main] INFO  [Exception Translator]
2020-05-23 04:48:58,061 [main] INFO   exceptionTranslationProvider: null
2020-05-23 04:48:58,062 [main] INFO  [Async Manager]
2020-05-23 04:48:58,062 [main] INFO   defaultConcurrentAsyncOption: {no option}
2020-05-23 04:48:58,062 [main] INFO   primaryExecutorService: ThreadPoolExecutor@68dd39d2
2020-05-23 04:48:58,062 [main] INFO   secondaryExecutorService: ThreadPoolExecutor@4a44cfc0
2020-05-23 04:48:58,062 [main] INFO   tertiaryExecutorService: ThreadPoolExecutor@60e3c26e
2020-05-23 04:48:58,062 [main] INFO  [Primary Cipher]
2020-05-23 04:48:58,063 [main] INFO   invertibleCryptographer: {AES, UTF-8}
2020-05-23 04:48:58,063 [main] INFO   oneWayCryptographer: {SHA-256, UTF-8}
2020-05-23 04:48:58,065 [main] INFO  [Time Manager]
2020-05-23 04:48:58,065 [main] INFO   businessTimeHandler: TypicalBusinessTimeHandler:{TypicalTimeResourceProvider$$Lambda$119/0x00000008403ab840, TypicalTimeResourceProvider$$Lambda$120/0x00000008403abc40}
2020-05-23 04:48:58,065 [main] INFO   currentIgnoreTransaction: false
2020-05-23 04:48:58,065 [main] INFO   adjustTimeMillis: 0
2020-05-23 04:48:58,065 [main] INFO   adjustAbsoluteMode: false
2020-05-23 04:48:58,166 [main] INFO  [JSON Manager]
2020-05-23 04:48:58,166 [main] INFO   realJsonParser: GsonJsonEngine
2020-05-23 04:48:58,181 [main] INFO   mapping: {CAMEL_TO_LOWER_SNAKE}
2020-05-23 04:48:58,182 [main] INFO  [Postbox]
2020-05-23 04:48:58,182 [main] INFO   postOffice: PostOffice@17fede14
2020-05-23 04:48:58,182 [main] INFO   postalParkingLot: SMailPostalParkingLot:{{category:{main}=motorbike:{session=javax.mail.Session@712ac7e6}}}@86d6bf7
2020-05-23 04:48:58,182 [main] INFO   postalPersonnel: FessMailDeliveryDepartmentCreator$1:{SMailConventionReceptionist:{[]}@2fbe26da, batch:{[proofreader:{pmcomment}]}}@4ed15347
2020-05-23 04:49:04,449 [main] INFO  Lasta Di boot successfully.
2020-05-23 04:49:04,452 [main] INFO    SmartDeploy Mode: Warm Deploy
2020-05-23 04:49:04,452 [main] INFO    Smart Package: org.codelibs.fess.app
2020-05-23 04:49:04,935 [main] INFO  Starting Crawler..
2020-05-23 04:49:05,499 [WebFsCrawler] INFO  No crawling target urls.
2020-05-23 04:49:05,709 [20200523044848-1] ERROR Failed to process a data crawling: Drive Test
java.lang.NoClassDefFoundError: com/google/api/client/googleapis/GoogleUtils
	at org.codelibs.fess.ds.gsuite.GSuiteClient.newHttpTransport(GSuiteClient.java:119) ~[fess-ds-gsuite-13.6.0.jar:?]
	at org.codelibs.fess.ds.gsuite.GSuiteClient.<init>(GSuiteClient.java:100) ~[fess-ds-gsuite-13.6.0.jar:?]
	at org.codelibs.fess.ds.gsuite.GoogleDriveDataStore.createClient(GoogleDriveDataStore.java:159) ~[fess-ds-gsuite-13.6.0.jar:?]
	at org.codelibs.fess.ds.gsuite.GoogleDriveDataStore.storeData(GoogleDriveDataStore.java:153) ~[fess-ds-gsuite-13.6.0.jar:?]
	at org.codelibs.fess.ds.AbstractDataStore.store(AbstractDataStore.java:111) ~[classes/:?]
	at org.codelibs.fess.helper.DataIndexHelper$DataCrawlingThread.process(DataIndexHelper.java:216) [classes/:?]
	at org.codelibs.fess.helper.DataIndexHelper$DataCrawlingThread.run(DataIndexHelper.java:202) [classes/:?]
Caused by: java.lang.ClassNotFoundException: com.google.api.client.googleapis.GoogleUtils
	at jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581) ~[?:?]
	at jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	... 7 more
2020-05-23 04:49:06,357 [20200523044848-1] INFO  Deleted 0 old docs.
2020-05-23 04:49:10,553 [DataStoreCrawler] INFO  [EXEC TIME] crawling time: 5076ms
2020-05-23 04:49:10,556 [main] INFO  Finished Crawler
2020-05-23 04:49:10,673 [main] INFO  [CRAWL INFO] DataCrawlExecTime=5076,DataCrawlEndTime=2020-05-23T04:49:10.554+0000,CrawlerEndTime=2020-05-23T04:49:10.557+0000,DataIndexExecTime=0,CrawlerStatus=true,CrawlerStartTime=2020-05-23T04:49:04.936+0000,WebFsCrawlEndTime=2020-05-23T04:49:05.499+0000,DataIndexSize=0,CrawlerExecTime=5621,DataCrawlStartTime=2020-05-23T04:49:05.399+0000,WebFsCrawlStartTime=2020-05-23T04:49:05.348+0000
2020-05-23 04:49:10,695 [main] INFO  Destroyed LaContainer.

fess-ds-gsuite 13.6.1を作成したので、それでお試しください。

fess-ds-gsuite 13.6.1を導入して問題なく動作しました。
早速ご対応いただき、大変助かりました。ありがとうございます。