java.lang.IllegalStateException: Can't call Database.get: Database was closed.

GitHub | silentbang | 3 months ago
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    Error: "Can't call Database.get: Database was closed."

    GitHub | 3 months ago | silentbang
    java.lang.IllegalStateException: Can't call Database.get: Database was closed.
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    java.lang.NoSuchMethodError: com.sleepycat.je.EnvironmentConfig.setAllowCreate(Z)Lcom/sleepycat/je/EnvironmentConfig; at edu.uci.ics.crawler4j.crawler.CrawlController.<init>(CrawlController.java:90)
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    Help with Web Crawler [Solved] (Beginning Java forum at JavaRanch)

    coderanch.com | 1 year ago
    com.sleepycat.je.EnvironmentLockedException: (JE 4.0.92) C:\asp\crawler4jStorage\frontier The environment cannot be locked for single writer access. ENV_LOCKED: The je.lck file could not be locked. Environment is invalid and must be closed.
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    Help with Web Crawler

    Coderanch | 3 years ago | Isaac Ferguson
    com.sleepycat.je.EnvironmentLockedException: (JE 4.0.92) C:\asp\crawler4jStorage\frontier The environment cannot be locked for single writer access. ENV_LOCKED: The je.lck file could not be locked. Environment is invalid and must be closed.

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    Root Cause Analysis

    1. java.lang.IllegalStateException

      Can't call Database.get: Database was closed.

      at com.sleepycat.je.Database.checkOpen()
    2. Berkeley DB Java Edition
      Database.get
      1. com.sleepycat.je.Database.checkOpen(Database.java:1863)
      2. com.sleepycat.je.Database.get(Database.java:1000)
      2 frames
    3. crawler4j
      CrawlController.addSeed
      1. edu.uci.ics.crawler4j.frontier.DocIDServer.getDocId(DocIDServer.java:77)
      2. edu.uci.ics.crawler4j.crawler.CrawlController.addSeed(CrawlController.java:409)
      3. edu.uci.ics.crawler4j.crawler.CrawlController.addSeed(CrawlController.java:381)
      3 frames