Error: Java heap space
        at java.util.Arrays.copyOf(Arrays.java:3236)
        at org.basex.util.list.ByteList.add(ByteList.java:67)
        at org.basex.util.list.ByteList.add(ByteList.java:55)
        at org.basex.index.ft.FTBuilder.merge(FTBuilder.java:236)
        at org.basex.index.ft.FTBuilder.write(FTBuilder.java:147)
        at org.basex.index.ft.FTBuilder.build(FTBuilder.java:86)
        at org.basex.index.ft.FTBuilder.build(FTBuilder.java:1)
        at org.basex.data.DiskData.createIndex(DiskData.java:198)
        at org.basex.core.cmd.CreateIndex.create(CreateIndex.java:100)
        at org.basex.core.cmd.CreateIndex.create(CreateIndex.java:88)
        at org.basex.core.cmd.CreateDB$1.run(CreateDB.java:116)
        at org.basex.core.cmd.ACreate.update(ACreate.java:90)
        at org.basex.core.cmd.CreateDB.run(CreateDB.java:113)
        at org.basex.core.Command.run(Command.java:257)
        at org.basex.core.Command.execute(Command.java:93)
        at org.basex.server.ClientListener.run(ClientListener.java:140)
org.basex.core.BaseXException: Out of Main Memory.
You can increase Java's heap size with the flag -Xmx<size>.
        at org.basex.core.Command.execute(Command.java:94)
        at org.basex.server.ClientListener.run(ClientListener.java:140)