[CASSANDRA-3796] post-2392 trunk does not build with java 7

• Type: Bug
• Status: Resolved
• Priority: Low
• Resolution: Fixed
• Severity: Low
• Assignee: Peter Schuller
• Reporter: Peter Schuller

Authors

Peter Schuller

• Created: 27/Jan/12 05:31
• Updated: 16/Apr/19 09:32
• Resolved: 28/Jan/12 05:17

Description

See below, on a fresh clone. Builds w/ java 6.

    [javac] /tmp/c2/cassandra/src/java/org/apache/cassandra/io/sstable/SSTableReader.java:419: error: no suitable method found for binarySearch(List<DecoratedKey>,RowPosition)
    [javac]         int index = Collections.binarySearch(indexSummary.getKeys(), key);
    [javac]                                ^
    [javac]     method Collections.<T#1>binarySearch(List<? extends T#1>,T#1,Comparator<? super T#1>) is not applicable
    [javac]       (cannot instantiate from arguments because actual and formal argument lists differ in length)
    [javac]     method Collections.<T#2>binarySearch(List<? extends Comparable<? super T#2>>,T#2) is not applicable
    [javac]       (no instance(s) of type variable(s) T#2 exist so that argument type List<DecoratedKey> conforms to formal parameter type List<? extends Comparable<? super T#2>>)
    [javac]   where T#1,T#2 are type-variables:
    [javac]     T#1 extends Object declared in method <T#1>binarySearch(List<? extends T#1>,T#1,Comparator<? super T#1>)
    [javac]     T#2 extends Object declared in method <T#2>binarySearch(List<? extends Comparable<? super T#2>>,T#2)
    [javac] /tmp/c2/cassandra/src/java/org/apache/cassandra/io/sstable/SSTableReader.java:509: error: no suitable method found for binarySearch(List<DecoratedKey>,RowPosition)
    [javac]             int left = Collections.binarySearch(samples, leftPosition);
    [javac]                                   ^
    [javac]     method Collections.<T#1>binarySearch(List<? extends T#1>,T#1,Comparator<? super T#1>) is not applicable
    [javac]       (cannot instantiate from arguments because actual and formal argument lists differ in length)
    [javac]     method Collections.<T#2>binarySearch(List<? extends Comparable<? super T#2>>,T#2) is not applicable
    [javac]       (no instance(s) of type variable(s) T#2 exist so that argument type List<DecoratedKey> conforms to formal parameter type List<? extends Comparable<? super T#2>>)
    [javac]   where T#1,T#2 are type-variables:
    [javac]     T#1 extends Object declared in method <T#1>binarySearch(List<? extends T#1>,T#1,Comparator<? super T#1>)
    [javac]     T#2 extends Object declared in method <T#2>binarySearch(List<? extends Comparable<? super T#2>>,T#2)
    [javac] /tmp/c2/cassandra/src/java/org/apache/cassandra/io/sstable/SSTableReader.java:521: error: no suitable method found for binarySearch(List<DecoratedKey>,RowPosition)
    [javac]                       : Collections.binarySearch(samples, rightPosition);
    [javac]                                    ^
    [javac]     method Collections.<T#1>binarySearch(List<? extends T#1>,T#1,Comparator<? super T#1>) is not applicable
    [javac]       (cannot instantiate from arguments because actual and formal argument lists differ in length)
    [javac]     method Collections.<T#2>binarySearch(List<? extends Comparable<? super T#2>>,T#2) is not applicable
    [javac]       (no instance(s) of type variable(s) T#2 exist so that argument type List<DecoratedKey> conforms to formal parameter type List<? extends Comparable<? super T#2>>)
    [javac]   where T#1,T#2 are type-variables:
    [javac]     T#1 extends Object declared in method <T#1>binarySearch(List<? extends T#1>,T#1,Comparator<? super T#1>)
    [javac]     T#2 extends Object declared in method <T#2>binarySearch(List<? extends Comparable<? super T#2>>,T#2)