Bob Idontknow

A new Java update was released, from what I read it was a bug fix, after I installed it 1.13.2 is able to launch.  I tried to launch 18w43s and 19w03a but was unable to do so , 

the following was when I tried to run 19w03a

Exception in thread "Client thread" java.lang.OutOfMemoryError: unable to create new native thread
at java.lang.Thread.start0(Native Method)
at java.lang.Thread.start(Unknown Source)
at java.util.concurrent.CompletableFuture$ThreadPerTaskExecutor.execute(Unknown Source)
at java.util.concurrent.CompletableFuture.asyncRunStage(Unknown Source)
at java.util.concurrent.CompletableFuture.runAsync(Unknown Source)
at com.mojang.datafixers.DataFixerBuilder.build(DataFixerBuilder.java:70)
at zk.b(SourceFile:155)
at zk.<clinit>(SourceFile:150)
at ahg$a.a(SourceFile:493)
at ahg.a(SourceFile:135)
at ahg.<clinit>(SourceFile:141)
at axd.<clinit>(SourceFile:630)
at cnh.<clinit>(SourceFile:12)
at cnc.a(SourceFile:9)
at bqi.k(SourceFile:211)
at bhl.a_(SourceFile:523)
at bqi$a.<init>(SourceFile:394)
at bqi$a.<init>(SourceFile:382)
at bqi.c(SourceFile:66)
at bhm.<clinit>(SourceFile:711)
at fk.D(SourceFile:75)
at fk.a(SourceFile:109)
at java.util.LinkedHashMap$LinkedEntrySet.forEach(Unknown Source)
at fk.<clinit>(SourceFile:108)
at qf.b(SourceFile:484)
at cqe.<init>(SourceFile:381)
at net.minecraft.client.main.Main.main(SourceFile:154)