I downloaded JBookTrader-7.04.zip onto my Mac running OS X 10. I ran
JBookTrader.sh and I get the following error:
source/com/jbooktrader/platform/strategy/Strategy.java:27: cannot
access com.ib.client.Contract
bad class file: /Users/tc/JBookTrader-7.04/lib/ibapi-9.62.jar(com/ib/
client/Contract.class)
class file has wrong version 50.0, should be 49.0
Please remove or make sure it appears in the correct subdirectory of
the classpath.
private Contract contract;
^
1 error
Looks like the Contract class is the incorrect version in
ibapi-9.62.jar. Is there a fix available?
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