I downloaded the MCSLI and did the install and got error messages. I am hoping to get a resolution to this abort. I would appreciate your help.
Bootstrap (v5)
Current time is Feb 9, 2019, 5:30:33 AM
System.getProperty('os.name') == 'Linux'
System.getProperty('os.version') == '4.15.0-20-generic'
System.getProperty('os.arch') == 'i386'
System.getProperty('java.version') == '10.0.1'
System.getProperty('java.vendor') == 'Oracle Corporation'
System.getProperty('sun.arch.data.model') == '32'

Downloading: https://s3.amazonaws.com/Minecraft.Download/launcher/launcher.pack.lzma
Exception: javax.net.ssl.SSLException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
Downloading: https://s3.amazonaws.com/Minecraft.Download/launcher/launcher.pack.lzma (try 2/10)
Exception: javax.net.ssl.SSLException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
Downloading: https://s3.amazonaws.com/Minecraft.Download/launcher/launcher.pack.lzma (try 3/10)
Exception: javax.net.ssl.SSLException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
Downloading: https://s3.amazonaws.com/Minecraft.Download/launcher/launcher.pack.lzma (try 4/10)
Exception: javax.net.ssl.SSLException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
Downloading: https://s3.amazonaws.com/Minecraft.Download/launcher/launcher.pack.lzma (try 5/10)
Exception: javax.net.ssl.SSLException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
Downloading: https://s3.amazonaws.com/Minecraft.Download/launcher/launcher.pack.lzma (try 6/10)
Exception: javax.net.ssl.SSLException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
Downloading: https://s3.amazonaws.com/Minecraft.Download/launcher/launcher.pack.lzma (try 7/10)
Exception: javax.net.ssl.SSLException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
Downloading: https://s3.amazonaws.com/Minecraft.Download/launcher/launcher.pack.lzma (try 8/10)
Exception: javax.net.ssl.SSLException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
Downloading: https://s3.amazonaws.com/Minecraft.Download/launcher/launcher.pack.lzma (try 9/10)
Exception: javax.net.ssl.SSLException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
Downloading: https://s3.amazonaws.com/Minecraft.Download/launcher/launcher.pack.lzma (try 10/10)
Exception: javax.net.ssl.SSLException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
Unable to download remote file. Check your internet connection/proxy settings.
FATAL ERROR: net.minecraft.bootstrap.FatalBootstrapError: Unable to download while being forced
at net.minecraft.bootstrap.Bootstrap.execute(Bootstrap.java:95)
at net.minecraft.bootstrap.Bootstrap.main(Bootstrap.java:381)

jim@netbook:/Downloads$ cd MCSLI-master/
jim@netbook:/Downloads/MCSLI-master$ ls
install.sh java mcserver README.md start.sh
jim@netbook:/Downloads/MCSLI-master$ sudo chmod +x install.sh
jim@netbook:/Downloads/MCSLI-master$ sudo chmod +x start.sh

jim@netbook:~/Downloads/MCSLI-master$ ./install.sh
update-alternatives: error: alternative path is not absolute as it should be: java/jre1.8.0_25/bin/java
update-alternatives: error: alternative path is not absolute as it should be: java/jre1.8.0_25/bin/javac
openjdk version "10.0.1" 2018-04-17
OpenJDK Runtime Environment (build 10.0.1+10-Ubuntu-3ubuntu1)
OpenJDK Server VM (build 10.0.1+10-Ubuntu-3ubuntu1, mixed mode)

jim@netbook:/Downloads/MCSLI-master$ ./start.sh
[05:25:47] [Server thread/INFO]: Starting minecraft server version 1.8.1
[05:25:47] [Server thread/INFO]: Loading properties
[05:25:47] [Server thread/WARN]: server.properties does not exist
[05:25:47] [Server thread/INFO]: Generating new properties file
[05:25:47] [Server thread/WARN]: Failed to load eula.txt
[05:25:47] [Server thread/INFO]: You need to agree to the EULA in order to run the server. Go to eula.txt for more info.
[05:25:47] [Server thread/INFO]: Stopping server
[05:25:47] [Server Shutdown Thread/INFO]: Stopping server
jim@netbook:/Downloads/MCSLI-master$ nano eula.txt

jim@netbook:/Downloads/MCSLI-master$ ./start.sh
[05:27:10] [Server thread/INFO]: Starting minecraft server version 1.8.1
[05:27:10] [Server thread/INFO]: Loading properties
[05:27:10] [Server thread/INFO]: Default game type: SURVIVAL
[05:27:10] [Server thread/INFO]: Generating keypair
[05:27:11] [Server thread/INFO]: Starting Minecraft server on :25565
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by io.netty.util.internal.PlatformDependent0 (file:/home/jim/Downloads/MCSLI-master/mcserver/minecraft_server.jar) to field java.nio.Buffer.address
WARNING: Please consider reporting this to the maintainers of io.netty.util.internal.PlatformDependent0
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Feb 09, 2019 5:27:11 AM io.netty.util.internal.PlatformDependent
INFO: Your platform does not provide complete low-level API for accessing direct buffers reliably. Unless explicitly requested, heap buffer will always be preferred to avoid potential system unstability.
OpenJDK Server VM warning: You have loaded library /tmp/libnetty-transport-native-epoll215508589190343628.so which might have disabled stack guard. The VM will try to fix the stack guard now.
It's highly recommended that you fix the library with 'execstack -c ', or link it with '-z noexecstack'.
[05:27:12] [Server thread/INFO]: Using default channel type
[05:27:12] [Server thread/WARN]: Failed to load user banlist:
java.io.FileNotFoundException: banned-players.json (No such file or directory)
at java.base/java.io.FileInputStream.open0(Native Method) ~[?:?]
at java.base/java.io.FileInputStream.open(FileInputStream.java:220) ~[?:?]
at java.base/java.io.FileInputStream.(FileInputStream.java:158) ~[?:?]
at com.google.common.io.Files.newReader(Files.java:86) ~[minecraft_server.jar:?]
at su.g(SourceFile:124) ~[minecraft_server.jar:?]
at po.z(SourceFile:99) [minecraft_server.jar:?]
at po.(SourceFile:25) [minecraft_server.jar:?]
at pp.i(SourceFile:172) [minecraft_server.jar:?]
at net.minecraft.server.MinecraftServer.run(SourceFile:418) [minecraft_server.jar:?]
at java.base/java.lang.Thread.run(Thread.java:844) [?:?]
[05:27:12] [Server thread/WARN]: Failed to load ip banlist:
java.io.FileNotFoundException: banned-ips.json (No such file or directory)
at java.base/java.io.FileInputStream.open0(Native Method) ~[?:?]
at java.base/java.io.FileInputStream.open(FileInputStream.java:220) ~[?:?]
at java.base/java.io.FileInputStream.(FileInputStream.java:158) ~[?:?]
at com.google.common.io.Files.newReader(Files.java:86) ~[minecraft_server.jar:?]
at su.g(SourceFile:124) ~[minecraft_server.jar:?]
at po.y(SourceFile:91) [minecraft_server.jar:?]
at po.(SourceFile:27) [minecraft_server.jar:?]
at pp.i(SourceFile:172) [minecraft_server.jar:?]
at net.minecraft.server.MinecraftServer.run(SourceFile:418) [minecraft_server.jar:?]
at java.base/java.lang.Thread.run(Thread.java:844) [?:?]
[05:27:12] [Server thread/WARN]: Failed to load operators list:
java.io.FileNotFoundException: ops.json (No such file or directory)
at java.base/java.io.FileInputStream.open0(Native Method) ~[?:?]
at java.base/java.io.FileInputStream.open(FileInputStream.java:220) ~[?:?]
at java.base/java.io.FileInputStream.(FileInputStream.java:158) ~[?:?]
at com.google.common.io.Files.newReader(Files.java:86) ~[minecraft_server.jar:?]
at su.g(SourceFile:124) ~[minecraft_server.jar:?]
at po.A(SourceFile:107) [minecraft_server.jar:?]
at po.(SourceFile:29) [minecraft_server.jar:?]
at pp.i(SourceFile:172) [minecraft_server.jar:?]
at net.minecraft.server.MinecraftServer.run(SourceFile:418) [minecraft_server.jar:?]
at java.base/java.lang.Thread.run(Thread.java:844) [?:?]
[05:27:12] [Server thread/WARN]: Failed to load white-list:
java.io.FileNotFoundException: whitelist.json (No such file or directory)
at java.base/java.io.FileInputStream.open0(Native Method) ~[?:?]
at java.base/java.io.FileInputStream.open(FileInputStream.java:220) ~[?:?]
at java.base/java.io.FileInputStream.(FileInputStream.java:158) ~[?:?]
at com.google.common.io.Files.newReader(Files.java:86) ~[minecraft_server.jar:?]
at su.g(SourceFile:124) ~[minecraft_server.jar:?]
at po.C(SourceFile:123) [minecraft_server.jar:?]
at po.(SourceFile:30) [minecraft_server.jar:?]
at pp.i(SourceFile:172) [minecraft_server.jar:?]
at net.minecraft.server.MinecraftServer.run(SourceFile:418) [minecraft_server.jar:?]
at java.base/java.lang.Thread.run(Thread.java:844) [?:?]
[05:27:13] [Server thread/INFO]: Preparing level "world"
[05:27:14] [Server thread/INFO]: Preparing start region for level 0
[05:27:15] [Server thread/INFO]: Preparing spawn area: 1%
[05:27:16] [Server thread/INFO]: Preparing spawn area: 3%
[05:27:17] [Server thread/INFO]: Preparing spawn area: 4%
[05:27:18] [Server thread/INFO]: Preparing spawn area: 5%
[05:27:19] [Server thread/INFO]: Preparing spawn area: 6%
[05:27:20] [Server thread/INFO]: Preparing spawn area: 7%
[05:27:21] [Server thread/INFO]: Preparing spawn area: 9%
[05:27:23] [Server thread/INFO]: Preparing spawn area: 11%
[05:27:24] [Server thread/INFO]: Preparing spawn area: 13%
[05:27:25] [Server thread/INFO]: Preparing spawn area: 14%
[05:27:26] [Server thread/INFO]: Preparing spawn area: 16%
[05:27:27] [Server thread/INFO]: Preparing spawn area: 18%
[05:27:28] [Server thread/INFO]: Preparing spawn area: 20%
[05:27:29] [Server thread/INFO]: Preparing spawn area: 22%
[05:27:30] [Server thread/INFO]: Preparing spawn area: 24%
[05:27:31] [Server thread/INFO]: Preparing spawn area: 26%
[05:27:32] [Server thread/INFO]: Preparing spawn area: 27%
[05:27:33] [Server thread/INFO]: Preparing spawn area: 29%
[05:27:34] [Server thread/INFO]: Preparing spawn area: 30%
[05:27:35] [Server thread/INFO]: Preparing spawn area: 32%
[05:27:36] [Server thread/INFO]: Preparing spawn area: 34%
[05:27:37] [Server thread/INFO]: Preparing spawn area: 37%
[05:27:38] [Server thread/INFO]: Preparing spawn area: 39%
[05:27:39] [Server thread/INFO]: Preparing spawn area: 42%
[05:27:40] [Server thread/INFO]: Preparing spawn area: 44%
[05:27:41] [Server thread/INFO]: Preparing spawn area: 47%
[05:27:42] [Server thread/INFO]: Preparing spawn area: 49%
[05:27:43] [Server thread/INFO]: Preparing spawn area: 52%
[05:27:44] [Server thread/INFO]: Preparing spawn area: 55%
[05:27:45] [Server thread/INFO]: Preparing spawn area: 57%
[05:27:46] [Server thread/INFO]: Preparing spawn area: 60%
[05:27:48] [Server thread/INFO]: Preparing spawn area: 62%
[05:27:49] [Server thread/INFO]: Preparing spawn area: 65%
[05:27:50] [Server thread/INFO]: Preparing spawn area: 68%
[05:27:51] [Server thread/INFO]: Preparing spawn area: 71%
[05:27:52] [Server thread/INFO]: Preparing spawn area: 73%
[05:27:53] [Server thread/INFO]: Preparing spawn area: 76%
[05:27:54] [Server thread/INFO]: Preparing spawn area: 78%
[05:27:55] [Server thread/INFO]: Preparing spawn area: 81%
[05:27:56] [Server thread/INFO]: Preparing spawn area: 83%
[05:27:57] [Server thread/INFO]: Preparing spawn area: 85%
[05:27:58] [Server thread/INFO]: Preparing spawn area: 87%
[05:27:59] [Server thread/INFO]: Preparing spawn area: 89%
[05:28:00] [Server thread/INFO]: Preparing spawn area: 91%
[05:28:01] [Server thread/INFO]: Preparing spawn area: 94%
[05:28:02] [Server thread/INFO]: Preparing spawn area: 96%
[05:28:03] [Server thread/INFO]: Preparing spawn area: 98%
[05:28:04] [Server thread/INFO]: Done (51.084s)! For help, type "help" or "?"
[05:28:51] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 2839ms behind, skipping 56 tick(s)
?
[05:29:26] [Server thread/INFO]: --- Showing help page 1 of 9 (/help ) ---
[05:29:26] [Server thread/INFO]: /achievement <give|take> <stat_name|> [player]
[05:29:26] [Server thread/INFO]: /ban [reason ...]
[05:29:26] [Server thread/INFO]: /ban-ip <address|name> [reason ...]
[05:29:26] [Server thread/INFO]: /banlist [ips|players]
[05:29:26] [Server thread/INFO]: /blockdata
[05:29:26] [Server thread/INFO]: /clear [player] [item] [data] [maxCount] [dataTag]
[05:29:26] [Server thread/INFO]: /clone [maskMode] [cloneMode]
stop
[06:00:11] [Server thread/INFO]: Stopping the server
[06:00:11] [Server thread/INFO]: Stopping server
[06:00:11] [Server thread/INFO]: Saving players
[06:00:11] [Server thread/INFO]: Saving worlds
[06:00:11] [Server thread/INFO]: Saving chunks for level 'world'/Overworld
[06:00:11] [Server thread/INFO]: Saving chunks for level 'world'/Nether
[06:00:11] [Server thread/INFO]: Saving chunks for level 'world'/The End
[06:00:11] [Server Shutdown Thread/INFO]: Stopping server
[06:00:11] [Server Shutdown Thread/INFO]: Saving players
[06:00:11] [Server Shutdown Thread/INFO]: Saving worlds
[06:00:11] [Server Shutdown Thread/INFO]: Saving chunks for level 'world'/Overworld
[06:00:11] [Server Shutdown Thread/INFO]: Saving chunks for level 'world'/Nether
[06:00:11] [Server Shutdown Thread/INFO]: Saving chunks for level 'world'/The End
jim@netbook:/Downloads/MCSLI-master$ java -version
openjdk version "10.0.1" 2018-04-17
OpenJDK Runtime Environment (build 10.0.1+10-Ubuntu-3ubuntu1)
OpenJDK Server VM (build 10.0.1+10-Ubuntu-3ubuntu1, mixed mode)
jim@netbook:/Downloads/MCSLI-master$ ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=121 time=10.8 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=121 time=10.0 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=121 time=10.1 ms
^C
--- 8.8.8.8 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 10.044/10.361/10.868/0.371 ms
jim@netbook:/Downloads/MCSLI-master$ java -version
openjdk version "10.0.1" 2018-04-17
OpenJDK Runtime Environment (build 10.0.1+10-Ubuntu-3ubuntu1)
OpenJDK Server VM (build 10.0.1+10-Ubuntu-3ubuntu1, mixed mode)

Please fix the error and restart.