gistfile1.java

import com.nfsdb.Journal;
import com.nfsdb.JournalWriter;
import com.nfsdb.factory.JournalFactory;
import com.nfsdb.factory.configuration.JournalConfigurationBuilder;
import com.nfsdb.query.api.QueryHeadBuilder;
 
 
// built with nfsdb-core-3.0.0-20150216.031900-5.jar
class NfsdbArrayBug {
 
  private JournalFactory factory = new JournalFactory(CONFIG.build("/tmp"));
 
  public static final JournalConfigurationBuilder CONFIG = new JournalConfigurationBuilder() {{
    $(NfsdbArrayBugBean.class)
      .key("id")
      .$sym("id").index()
    ;
  }};
 
  public void put(String id) throws Exception {
    try (JournalWriter<NfsdbArrayBugBean> writer = factory.writer(NfsdbArrayBugBean.class)) {
      NfsdbArrayBugBean b = new NfsdbArrayBugBean();
      b.setId(id);
      writer.append(b);
      writer.commit();
    }
  }
 
  public static void main(String[] args) throws Exception {
    NfsdbArrayBug test = new NfsdbArrayBug();
    for (int i = 0; i < 16383; i++) {
      test.put(String.valueOf(i));
    }
    System.out.println("Wrote 16383 elements");
    test.put(String.valueOf(16383));
    // "ArrayIndexOutOfBoundsException: -64" gets thrown at putting 2^14th element into database
    System.out.println("Wrote another element");
  }
}
 
class NfsdbArrayBugBean {
  
  private String id;
  
  public String getId() {
    return id;
  }
  
  public void setId(String id) {
    this.id = id;
  }
  
  public void clear() {
    id = null;
  }
 
  public String toString() {
    return id;
  }
}