....IllegalArgumentException: Unknown persistentId 4

[snugam]

Trying to convert Minecraft PE 1.4.4 world -

Exception in thread "main" org.iq80.leveldb.shaded.guava.util.concurrent.UncheckedExecutionException: java.lang.IllegalArgumentException: Unknown persistentId 4

[snugam]

Exception in thread "main" org.iq80.leveldb.shaded.guava.util.concurrent.UncheckedExecutionException: java.lang.IllegalArgumentException: Unknown persistentId 4 at org.iq80.leveldb.shaded.guava.cache.LocalCache$Segment.get(LocalCache.java:2203) at org.iq80.leveldb.shaded.guava.cache.LocalCache.get(LocalCache.java:3937) at org.iq80.leveldb.shaded.guava.cache.LocalCache.getOrLoad(LocalCache.java:3941) at org.iq80.leveldb.shaded.guava.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4824) at org.iq80.leveldb.impl.TableCache.getTable(TableCache.java:91) at org.iq80.leveldb.impl.TableCache.newIterator(TableCache.java:79) at org.iq80.leveldb.impl.TableCache.newIterator(TableCache.java:74) at org.iq80.leveldb.util.LevelIterator.openNextFile(LevelIterator.java:137) at org.iq80.leveldb.util.LevelIterator.getNextElement(LevelIterator.java:113) at org.iq80.leveldb.util.AbstractSeekingIterator.hasNext(AbstractSeekingIterator.java:48) at org.iq80.leveldb.util.DbIterator.resetPriorityQueue(DbIterator.java:160) at org.iq80.leveldb.util.DbIterator.<init>(DbIterator.java:75) at org.iq80.leveldb.impl.DbImpl.internalIterator(DbImpl.java:781) at org.iq80.leveldb.impl.DbImpl.iterator(DbImpl.java:747) at org.iq80.leveldb.impl.DbImpl.iterator(DbImpl.java:738) at org.iq80.leveldb.impl.DbImpl.iterator(DbImpl.java:84) at com.ljyloo.PE2PC.PE2PC.convert(PE2PC.java:65) at com.ljyloo.PE2PC.PE2PC.main(PE2PC.java:36) Caused by: java.lang.IllegalArgumentException: Unknown persistentId 4 at org.iq80.leveldb.CompressionType.getCompressionTypeByPersistentId(CompressionType.java:34) at org.iq80.leveldb.table.BlockTrailer.readBlockTrailer(BlockTrailer.java:96) at org.iq80.leveldb.table.MMapTable.readBlock(MMapTable.java:95) at org.iq80.leveldb.table.Table.<init>(Table.java:61) at org.iq80.leveldb.table.MMapTable.<init>(MMapTable.java:48) at org.iq80.leveldb.impl.TableCache$TableAndFile.<init>(TableCache.java:127) at org.iq80.leveldb.impl.TableCache$TableAndFile.<init>(TableCache.java:114) at org.iq80.leveldb.impl.TableCache$1.load(TableCache.java:67) at org.iq80.leveldb.impl.TableCache$1.load(TableCache.java:62) at org.iq80.leveldb.shaded.guava.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3527) at org.iq80.leveldb.shaded.guava.cache.LocalCache$Segment.loadSync(LocalCache.java:2319) at org.iq80.leveldb.shaded.guava.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2282) at org.iq80.leveldb.shaded.guava.cache.LocalCache$Segment.get(LocalCache.java:2197)

[Azim]

Same here when trying to convert Windows 10 Edition world (generated yesterday)

[jamese641]

Same, but being new to this I'm probably doing something very wrong. If anyone knows what please tell me.

Exception in thread "main" org.iq80.leveldb.shaded.guava.util.concurrent.UncheckedExecutionException: java.lang.IllegalArgumentException: Unknown persistentId 4
at org.iq80.leveldb.shaded.guava.cache.LocalCache$Segment.get(LocalCache.java:2203)
at org.iq80.leveldb.shaded.guava.cache.LocalCache.get(LocalCache.java:3937)
at org.iq80.leveldb.shaded.guava.cache.LocalCache.getOrLoad(LocalCache.java:3941)
at org.iq80.leveldb.shaded.guava.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4824)
at org.iq80.leveldb.impl.TableCache.getTable(TableCache.java:91)
at org.iq80.leveldb.impl.TableCache.newIterator(TableCache.java:79)
at org.iq80.leveldb.impl.TableCache.newIterator(TableCache.java:74)
at org.iq80.leveldb.util.LevelIterator.openNextFile(LevelIterator.java:137)
at org.iq80.leveldb.util.LevelIterator.getNextElement(LevelIterator.java:113)
at org.iq80.leveldb.util.AbstractSeekingIterator.hasNext(AbstractSeekingIterator.java:48)
at org.iq80.leveldb.util.DbIterator.resetPriorityQueue(DbIterator.java:160)
at org.iq80.leveldb.util.DbIterator.(DbIterator.java:75)
at org.iq80.leveldb.impl.DbImpl.internalIterator(DbImpl.java:781)
at org.iq80.leveldb.impl.DbImpl.iterator(DbImpl.java:747)
at org.iq80.leveldb.impl.DbImpl.iterator(DbImpl.java:738)
at org.iq80.leveldb.impl.DbImpl.iterator(DbImpl.java:84)
at com.ljyloo.PE2PC.PE2PC.convert(PE2PC.java:85)
at com.ljyloo.PE2PC.PE2PC.main(PE2PC.java:62)
Caused by: java.lang.IllegalArgumentException: Unknown persistentId 4
at org.iq80.leveldb.CompressionType.getCompressionTypeByPersistentId(CompressionType.java:34)
at org.iq80.leveldb.table.BlockTrailer.readBlockTrailer(BlockTrailer.java:96)
at org.iq80.leveldb.table.MMapTable.readBlock(MMapTable.java:95)
at org.iq80.leveldb.table.Table.(Table.java:61)
at org.iq80.leveldb.table.MMapTable.(MMapTable.java:48)
at org.iq80.leveldb.impl.TableCache$TableAndFile.(TableCache.java:127)
at org.iq80.leveldb.impl.TableCache$TableAndFile.(TableCache.java:114)
at org.iq80.leveldb.impl.TableCache$1.load(TableCache.java:67)
at org.iq80.leveldb.impl.TableCache$1.load(TableCache.java:62)
at org.iq80.leveldb.shaded.guava.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3527)
at org.iq80.leveldb.shaded.guava.cache.LocalCache$Segment.loadSync(LocalCache.java:2319)
at org.iq80.leveldb.shaded.guava.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2282)
at org.iq80.leveldb.shaded.guava.cache.LocalCache$Segment.get(LocalCache.java:2197)